[  832.358601][T15669] netdevsim netdevsim401 eni401np1: renamed from eth0
[  832.374494][T15671] netdevsim netdevsim650 eni650np1: renamed from eth1
[  833.126011][T15656] Could not find device with ifindex 2000 in netnsfd 11
[  833.127062][T15656] Could not find netns with fd: 2000
[  833.127853][T15656] Cannot link a netdevsim to itself
[  833.128601][T15656] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).