[  697.418908][T13052] netdevsim netdevsim509 eni509np1: renamed from eth0
[  697.445436][T13054] netdevsim netdevsim758 eni758np1: renamed from eth1
[  698.097645][T13040] Could not find device with ifindex 2000 in netnsfd 11
[  698.098552][T13040] Could not find netns with fd: 2000
[  698.099074][T13040] Cannot link a netdevsim to itself
[  698.099553][T13040] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).