[  841.273157][T15721] netdevsim netdevsim422 eni422np1: renamed from eth0
[  841.285831][T15723] netdevsim netdevsim759 eni759np1: renamed from eth1
[  841.889628][T15710] Could not find device with ifindex 2000 in netnsfd 11
[  841.890275][T15710] Could not find netns with fd: 2000
[  841.890729][T15710] Cannot link a netdevsim to itself
[  841.891246][T15710] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).