[  788.856048][T14471] netdevsim netdevsim278 eni278np1: renamed from eth0
[  788.868869][T14473] netdevsim netdevsim580 eni580np1: renamed from eth1
[  789.477236][T14459] Could not find device with ifindex 2000 in netnsfd 11
[  789.478041][T14459] Could not find netns with fd: 2000
[  789.478532][T14459] Cannot link a netdevsim to itself
[  789.479115][T14459] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).