[  819.996337][T14473] netdevsim netdevsim342 eni342np1: renamed from eth0
[  820.013920][T14475] netdevsim netdevsim625 eni625np1: renamed from eth1
[  820.658267][T14461] Could not find device with ifindex 2000 in netnsfd 11
[  820.659132][T14461] Could not find netns with fd: 2000
[  820.659555][T14461] Cannot link a netdevsim to itself
[  820.660025][T14461] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).