I0425 07:01:42.977095 56288 cephcsi.go:191] Driver version: v3.11.0 and Git version: bc24b5eca87626d690a29effa9d7420cc0154a7a I0425 07:01:42.977284 56288 cephcsi.go:268] Initial PID limit is set to -1 I0425 07:01:42.977314 56288 cephcsi.go:274] Reconfigured PID limit to -1 (max) I0425 07:01:42.977333 56288 cephcsi.go:223] Starting driver type: rbd with name: rbd.csi.ceph.com I0425 07:01:42.993768 56288 mount_linux.go:282] Detected umount with safe 'not mounted' behavior I0425 07:01:43.018018 56288 rbd_attach.go:242] nbd module loaded I0425 07:01:43.018079 56288 rbd_attach.go:256] kernel version "5.15.0-176-generic" supports cookie feature I0425 07:01:43.043141 56288 rbd_attach.go:272] rbd-nbd tool supports cookie feature I0425 07:01:43.044020 56288 server.go:114] listening for CSI-Addons requests on address: &net.UnixAddr{Name:"/csi/csi-addons.sock", Net:"unix"} I0425 07:01:43.044257 56288 server.go:117] Listening for connections on address: &net.UnixAddr{Name:"//csi/csi.sock", Net:"unix"} I0425 07:01:51.476093 56288 utils.go:198] ID: 1 GRPC call: /csi.v1.Identity/GetPluginInfo I0425 07:01:51.477516 56288 utils.go:199] ID: 1 GRPC request: {} I0425 07:01:51.477534 56288 identityserver-default.go:40] ID: 1 Using default GetPluginInfo I0425 07:01:51.477581 56288 utils.go:205] ID: 1 GRPC response: {"name":"rbd.csi.ceph.com","vendor_version":"v3.11.0"} I0425 07:01:52.169234 56288 utils.go:198] ID: 2 GRPC call: /csi.v1.Node/NodeGetInfo I0425 07:01:52.169362 56288 utils.go:199] ID: 2 GRPC request: {} I0425 07:01:52.169378 56288 nodeserver-default.go:45] ID: 2 Using default NodeGetInfo I0425 07:01:52.169506 56288 utils.go:205] ID: 2 GRPC response: {"accessible_topology":{},"node_id":"instance"} I0425 07:02:05.203969 56288 utils.go:198] ID: 3 GRPC call: /csi.v1.Node/NodeGetCapabilities I0425 07:02:05.204189 56288 utils.go:199] ID: 3 GRPC request: {} I0425 07:02:05.204443 56288 utils.go:205] ID: 3 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0425 07:02:05.214043 56288 utils.go:198] ID: 4 GRPC call: /csi.v1.Node/NodeGetCapabilities I0425 07:02:05.214066 56288 utils.go:199] ID: 4 GRPC request: {} I0425 07:02:05.214150 56288 utils.go:205] ID: 4 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0425 07:02:05.215136 56288 utils.go:198] ID: 5 GRPC call: /csi.v1.Node/NodeGetCapabilities I0425 07:02:05.215296 56288 utils.go:199] ID: 5 GRPC request: {} I0425 07:02:05.215412 56288 utils.go:205] ID: 5 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0425 07:02:05.217094 56288 utils.go:198] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC call: /csi.v1.Node/NodeStageVolume I0425 07:02:05.217397 56288 utils.go:199] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC request: {"secrets":"***stripped***","staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount","volume_capability":{"AccessType":{"Mount":{"fs_type":"ext4","mount_flags":["discard"]}},"access_mode":{"mode":7}},"volume_context":{"clusterID":"4837cbf8-4f90-4300-b3f6-726c9b9f89b4","imageFeatures":"layering","imageName":"csi-vol-51fa028a-025b-43fa-8bec-d576d0c15d9f","journalPool":"kube","pool":"kube","storage.kubernetes.io/csiProvisionerIdentity":"1777100512467-2127-rbd.csi.ceph.com"},"volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f"} I0425 07:02:05.411416 56288 omap.go:89] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f got omap values: (pool="kube", namespace="", name="csi.volume.51fa028a-025b-43fa-8bec-d576d0c15d9f"): map[csi.imageid:37b581e58008 csi.imagename:csi-vol-51fa028a-025b-43fa-8bec-d576d0c15d9f csi.volname:pvc-4436ab46-98f6-479a-b46b-e3e843a69d06 csi.volume.owner:default] I0425 07:02:05.720007 56288 rbd_util.go:352] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f checking for ImageFeatures: [layering] I0425 07:02:05.753213 56288 cephcmds.go:105] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f command succeeded: rbd [device list --format=json --device-type krbd] I0425 07:02:05.932171 56288 rbd_attach.go:437] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f rbd: map mon 199.204.45.132 I0425 07:02:06.064764 56288 cephcmds.go:105] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f command succeeded: rbd [--id kube -m 199.204.45.132 --keyfile=***stripped*** map kube/csi-vol-51fa028a-025b-43fa-8bec-d576d0c15d9f --device-type krbd --options noudev] I0425 07:02:06.064830 56288 nodeserver.go:422] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f rbd image: kube/csi-vol-51fa028a-025b-43fa-8bec-d576d0c15d9f was successfully mapped at /dev/rbd0 I0425 07:02:06.064958 56288 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0425 07:02:06.073380 56288 mount_linux.go:580] Output: "" I0425 07:02:07.475621 56288 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0425 07:02:07.486347 56288 mount_linux.go:580] Output: "DEVNAME=/dev/rbd0\nTYPE=ext4\n" I0425 07:02:07.486362 56288 mount_linux.go:439] Checking for issues with fsck on disk: /dev/rbd0 I0425 07:02:09.778787 56288 mount_linux.go:544] Attempting to mount disk /dev/rbd0 in ext4 format at /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f I0425 07:02:09.778906 56288 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o _netdev,discard,defaults /dev/rbd0 /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f) I0425 07:02:09.794982 56288 mount_linux.go:577] Attempting to determine if disk "/dev/rbd0" is formatted using blkid with args: ([-p -s TYPE -s PTTYPE -o export /dev/rbd0]) I0425 07:02:09.804745 56288 mount_linux.go:580] Output: "DEVNAME=/dev/rbd0\nTYPE=ext4\n" I0425 07:02:09.804764 56288 resizefs_linux.go:137] ResizeFs.needResize - checking mounted volume /dev/rbd0 I0425 07:02:09.806659 56288 resizefs_linux.go:141] Ext size: filesystem size=5368709120, block size=4096 I0425 07:02:09.806762 56288 resizefs_linux.go:156] Volume /dev/rbd0: device size=5368709120, filesystem size=5368709120, block size=4096 I0425 07:02:09.806846 56288 nodeserver.go:382] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f rbd: successfully mounted volume 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f to stagingTargetPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f I0425 07:02:09.807059 56288 utils.go:205] ID: 6 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC response: {} I0425 07:02:09.808153 56288 utils.go:198] ID: 7 GRPC call: /csi.v1.Node/NodeGetCapabilities I0425 07:02:09.808244 56288 utils.go:199] ID: 7 GRPC request: {} I0425 07:02:09.808434 56288 utils.go:205] ID: 7 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0425 07:02:09.811997 56288 utils.go:198] ID: 8 GRPC call: /csi.v1.Node/NodeGetCapabilities I0425 07:02:09.812029 56288 utils.go:199] ID: 8 GRPC request: {} I0425 07:02:09.812116 56288 utils.go:205] ID: 8 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0425 07:02:09.812892 56288 utils.go:198] ID: 9 GRPC call: /csi.v1.Node/NodeGetCapabilities I0425 07:02:09.812915 56288 utils.go:199] ID: 9 GRPC request: {} I0425 07:02:09.812976 56288 utils.go:205] ID: 9 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0425 07:02:09.814169 56288 utils.go:198] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC call: /csi.v1.Node/NodePublishVolume I0425 07:02:09.814318 56288 utils.go:199] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC request: {"staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount","target_path":"/var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount","volume_capability":{"AccessType":{"Mount":{"fs_type":"ext4","mount_flags":["discard"]}},"access_mode":{"mode":7}},"volume_context":{"clusterID":"4837cbf8-4f90-4300-b3f6-726c9b9f89b4","imageFeatures":"layering","imageName":"csi-vol-51fa028a-025b-43fa-8bec-d576d0c15d9f","journalPool":"kube","pool":"kube","storage.kubernetes.io/csiProvisionerIdentity":"1777100512467-2127-rbd.csi.ceph.com"},"volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f"} I0425 07:02:09.814415 56288 nodeserver.go:859] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f target /var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount isBlock false fstype ext4 stagingPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f readonly false mountflags [bind _netdev discard] I0425 07:02:09.814434 56288 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o bind,_netdev /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f /var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount) I0425 07:02:09.816588 56288 mount_linux.go:218] Mounting cmd (mount) with arguments (-t ext4 -o bind,remount,_netdev,discard /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f /var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount) I0425 07:02:09.818808 56288 nodeserver.go:742] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f rbd: successfully mounted stagingPath /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f to targetPath /var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount I0425 07:02:09.818887 56288 utils.go:205] ID: 10 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC response: {} I0425 07:02:21.651759 56288 utils.go:198] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC call: /csi.v1.Node/NodeUnpublishVolume I0425 07:02:21.651995 56288 utils.go:199] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC request: {"target_path":"/var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount","volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f"} I0425 07:02:21.652095 56288 mount_linux.go:360] Unmounting /var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount I0425 07:02:21.655193 56288 nodeserver.go:945] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f rbd: successfully unbound volume 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f from /var/lib/kubelet/pods/7b2fb4bd-bd11-47c4-8050-1ec6f51b4e0b/volumes/kubernetes.io~csi/pvc-4436ab46-98f6-479a-b46b-e3e843a69d06/mount I0425 07:02:21.655239 56288 utils.go:205] ID: 11 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC response: {} I0425 07:02:21.750537 56288 utils.go:198] ID: 12 GRPC call: /csi.v1.Node/NodeGetCapabilities I0425 07:02:21.750608 56288 utils.go:199] ID: 12 GRPC request: {} I0425 07:02:21.750733 56288 utils.go:205] ID: 12 GRPC response: {"capabilities":[{"Type":{"Rpc":{"type":1}}},{"Type":{"Rpc":{"type":2}}},{"Type":{"Rpc":{"type":3}}},{"Type":{"Rpc":{"type":5}}}]} I0425 07:02:21.751993 56288 utils.go:198] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC call: /csi.v1.Node/NodeUnstageVolume I0425 07:02:21.752166 56288 utils.go:199] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC request: {"staging_target_path":"/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount","volume_id":"0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f"} I0425 07:02:21.752301 56288 mount_linux.go:360] Unmounting /var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f I0425 07:02:21.835114 56288 nodeserver.go:1001] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f successfully unmounted volume (0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f) from staging path (/var/lib/kubelet/plugins/kubernetes.io/csi/rbd.csi.ceph.com/dfa75ab273d51522ebd6f477b77e905eb3ad28802a2926ff1c930444b61020be/globalmount/0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f) I0425 07:02:21.911291 56288 cephcmds.go:105] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f command succeeded: rbd [unmap kube/csi-vol-51fa028a-025b-43fa-8bec-d576d0c15d9f --device-type krbd --options noudev] I0425 07:02:21.911330 56288 nodeserver.go:1059] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f successfully unmapped volume (0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f) I0425 07:02:21.911609 56288 utils.go:205] ID: 13 Req-ID: 0001-0024-4837cbf8-4f90-4300-b3f6-726c9b9f89b4-0000000000000002-51fa028a-025b-43fa-8bec-d576d0c15d9f GRPC response: {} I0425 07:02:51.689969 56288 utils.go:198] ID: 14 GRPC call: /csi.v1.Identity/Probe I0425 07:02:51.690275 56288 utils.go:199] ID: 14 GRPC request: {} I0425 07:02:51.690442 56288 utils.go:205] ID: 14 GRPC response: {}