[ 1235.735408][T11146] netdevsim netdevsim427 eni427np1: renamed from eth0
[ 1235.760417][T11145] netdevsim netdevsim622 eni622np1: renamed from eth1
[ 1239.110715][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1239.111494][T11138] Could not find netns with fd: 2000
[ 1239.112375][T11138] Cannot link a netdevsim to itself
[ 1239.113164][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).