udp UNCONN 0 0 127.0.0.54:53 0.0.0.0:* users:(("systemd-resolve",pid=275,fd=16)) udp UNCONN 0 0 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=275,fd=14)) udp UNCONN 0 0 [::]:53359 [::]:* users:(("rpc.mountd",pid=22709,fd=10)) tcp LISTEN 0 4096 127.0.0.53%lo:53 0.0.0.0:* users:(("systemd-resolve",pid=275,fd=15)) tcp LISTEN 0 4096 127.0.0.54:53 0.0.0.0:* users:(("systemd-resolve",pid=275,fd=17))