[ 1231.776340][T11144] netdevsim netdevsim634 eni634np1: renamed from eth1
[ 1231.795881][T11145] netdevsim netdevsim277 eni277np1: renamed from eth0
[ 1235.174823][T11137] Could not find device with ifindex 2000 in netnsfd 11
[ 1235.175949][T11137] Could not find netns with fd: 2000
[ 1235.176918][T11137] Cannot link a netdevsim to itself
[ 1235.178052][T11137] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).