[  800.723893][T15630] netdevsim netdevsim404 eni404np1: renamed from eth0
[  800.739767][T15631] netdevsim netdevsim551 eni551np1: renamed from eth1
[  801.370598][T15619] Could not find device with ifindex 2000 in netnsfd 11
[  801.371330][T15619] Could not find netns with fd: 2000
[  801.372211][T15619] Cannot link a netdevsim to itself
[  801.372958][T15619] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).