I0501 01:04:41.044065 1 nfd-worker.go:222] "Node Feature Discovery Worker" version="v0.15.4" nodeName="instance" namespace="monitoring" I0501 01:04:41.044422 1 nfd-worker.go:508] "configuration file parsed" path="/etc/kubernetes/node-feature-discovery/nfd-worker.conf" I0501 01:04:41.044709 1 nfd-worker.go:540] "configuration successfully updated" configuration={"Core":{"Klog":{},"LabelWhiteList":"","NoPublish":false,"FeatureSources":["all"],"Sources":null,"LabelSources":["all"],"SleepInterval":{"Duration":60000000000}},"Sources":{"cpu":{"cpuid":{"attributeBlacklist":["BMI1","BMI2","CLMUL","CMOV","CX16","ERMS","F16C","HTT","LZCNT","MMX","MMXEXT","NX","POPCNT","RDRAND","RDSEED","RDTSCP","SGX","SGXLC","SSE","SSE2","SSE3","SSE4","SSE42","SSSE3","TDX_GUEST"]}},"custom":[],"fake":{"labels":{"fakefeature1":"true","fakefeature2":"true","fakefeature3":"true"},"flagFeatures":["flag_1","flag_2","flag_3"],"attributeFeatures":{"attr_1":"true","attr_2":"false","attr_3":"10"},"instanceFeatures":[{"attr_1":"true","attr_2":"false","attr_3":"10","attr_4":"foobar","name":"instance_1"},{"attr_1":"true","attr_2":"true","attr_3":"100","name":"instance_2"},{"name":"instance_3"}]},"kernel":{"KconfigFile":"","configOpts":["NO_HZ","NO_HZ_IDLE","NO_HZ_FULL","PREEMPT"]},"local":{},"pci":{"deviceClassWhitelist":["03","0b40","12"],"deviceLabelFields":["class","vendor"]},"usb":{"deviceClassWhitelist":["0e","ef","fe","ff"],"deviceLabelFields":["class","vendor","device"]}}} I0501 01:04:41.044982 1 metrics.go:44] "metrics server starting" port=":8081" E0501 01:04:41.060497 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:04:41.060810 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:04:41.061022 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:04:41.066146 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:04:41.066399 1 nfd-worker.go:563] "feature discovery completed" I0501 01:04:41.092539 1 nfd-worker.go:698] "creating NodeFeature object" nodefeature="" E0501 01:05:41.070494 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:05:41.071031 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:05:41.071252 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:05:41.076754 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:05:41.077048 1 nfd-worker.go:563] "feature discovery completed" E0501 01:06:41.091090 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:06:41.091465 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:06:41.091707 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:06:41.100211 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:06:41.100919 1 nfd-worker.go:563] "feature discovery completed" I0501 01:06:41.247506 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:07:41.063975 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:07:41.064126 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:07:41.064252 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:07:41.072168 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:07:41.072519 1 nfd-worker.go:563] "feature discovery completed" I0501 01:07:41.216815 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:08:41.067481 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:08:41.067666 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:08:41.067813 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:08:41.079363 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:08:41.079725 1 nfd-worker.go:563] "feature discovery completed" I0501 01:08:41.209700 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:09:41.085126 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:09:41.085405 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:09:41.085612 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:09:41.092156 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:09:41.092499 1 nfd-worker.go:563] "feature discovery completed" I0501 01:09:41.234297 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:10:41.071344 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:10:41.071649 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:10:41.071993 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:10:41.078970 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:10:41.079482 1 nfd-worker.go:563] "feature discovery completed" I0501 01:10:41.231773 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:11:41.067052 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:11:41.067420 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:11:41.067706 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:11:41.074865 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:11:41.075323 1 nfd-worker.go:563] "feature discovery completed" I0501 01:11:41.210455 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:12:41.072305 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:12:41.072540 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:12:41.072834 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:12:41.081955 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:12:41.082345 1 nfd-worker.go:563] "feature discovery completed" I0501 01:12:41.235150 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:13:41.072466 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:13:41.072706 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:13:41.072862 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:13:41.078994 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:13:41.079328 1 nfd-worker.go:563] "feature discovery completed" I0501 01:13:41.229385 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:14:41.070383 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:14:41.070564 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:14:41.070742 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:14:41.074801 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:14:41.075038 1 nfd-worker.go:563] "feature discovery completed" I0501 01:14:41.215071 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:15:41.065243 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:15:41.065638 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:15:41.065896 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:15:41.072590 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:15:41.072908 1 nfd-worker.go:563] "feature discovery completed" I0501 01:15:41.217808 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:16:41.069468 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:16:41.069774 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:16:41.069994 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:16:41.079318 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:16:41.079695 1 nfd-worker.go:563] "feature discovery completed" I0501 01:16:41.223551 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:17:41.066460 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:17:41.066652 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:17:41.066858 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:17:41.074655 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:17:41.075268 1 nfd-worker.go:563] "feature discovery completed" I0501 01:17:41.236349 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:18:41.071952 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:18:41.072220 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:18:41.072450 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:18:41.078391 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:18:41.078679 1 nfd-worker.go:563] "feature discovery completed" I0501 01:18:41.279400 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:19:41.063848 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:19:41.064030 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:19:41.064172 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:19:41.070526 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:19:41.070817 1 nfd-worker.go:563] "feature discovery completed" I0501 01:19:41.218912 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:20:41.081343 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:20:41.081535 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:20:41.081729 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:20:41.087435 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:20:41.087728 1 nfd-worker.go:563] "feature discovery completed" I0501 01:20:41.227067 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:21:41.085740 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:21:41.086082 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:21:41.086316 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:21:41.093724 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:21:41.094027 1 nfd-worker.go:563] "feature discovery completed" I0501 01:21:41.284279 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:22:41.066347 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:22:41.066520 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:22:41.066655 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:22:41.070938 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:22:41.071191 1 nfd-worker.go:563] "feature discovery completed" I0501 01:22:41.205901 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:23:41.083072 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:23:41.083255 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:23:41.083403 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:23:41.089786 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:23:41.090081 1 nfd-worker.go:563] "feature discovery completed" I0501 01:23:41.242426 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:24:41.062783 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:24:41.063025 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:24:41.063221 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:24:41.072668 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:24:41.073247 1 nfd-worker.go:563] "feature discovery completed" I0501 01:24:41.219023 1 nfd-worker.go:731] "updating NodeFeature object" nodefeature="monitoring/instance" E0501 01:25:41.079978 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:25:41.080248 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:25:41.080425 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:25:41.084630 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:25:41.084913 1 nfd-worker.go:563] "feature discovery completed" E0501 01:26:41.078192 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:26:41.078459 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:26:41.078681 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:26:41.087025 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:26:41.087247 1 nfd-worker.go:563] "feature discovery completed" E0501 01:27:41.085762 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:27:41.086064 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:27:41.086288 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:27:41.091543 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:27:41.091801 1 nfd-worker.go:563] "feature discovery completed" E0501 01:28:41.087472 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:28:41.087615 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:28:41.087718 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:28:41.095239 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:28:41.095789 1 nfd-worker.go:563] "feature discovery completed" E0501 01:29:41.084632 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:29:41.084980 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:29:41.085168 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:29:41.092058 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:29:41.092315 1 nfd-worker.go:563] "feature discovery completed" E0501 01:30:41.058155 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:30:41.058305 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:30:41.058456 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:30:41.063167 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:30:41.063478 1 nfd-worker.go:563] "feature discovery completed" E0501 01:31:41.083043 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:31:41.083626 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:31:41.083967 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:31:41.093336 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:31:41.093674 1 nfd-worker.go:563] "feature discovery completed" E0501 01:32:41.084958 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:32:41.085161 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:32:41.085326 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:32:41.092415 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:32:41.092643 1 nfd-worker.go:563] "feature discovery completed" E0501 01:33:41.084317 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:33:41.084462 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:33:41.084558 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:33:41.089085 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:33:41.089309 1 nfd-worker.go:563] "feature discovery completed" E0501 01:34:41.086105 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/cilium_geneve/speed: invalid argument" attributeName="speed" E0501 01:34:41.086408 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/dummy0/speed: invalid argument" attributeName="speed" E0501 01:34:41.086618 1 network.go:152] "failed to read net iface attribute" err="read /host-sys/class/net/lo/speed: invalid argument" attributeName="speed" I0501 01:34:41.093079 1 nfd-worker.go:550] "starting feature discovery..." I0501 01:34:41.093403 1 nfd-worker.go:563] "feature discovery completed"