[  726.320387][T13032] netdevsim netdevsim274 eni274np1: renamed from eth0
[  726.328352][T13034] netdevsim netdevsim754 eni754np1: renamed from eth1
[  727.123018][T13020] Could not find device with ifindex 2000 in netnsfd 11
[  727.123837][T13020] Could not find netns with fd: 2000
[  727.124250][T13020] Cannot link a netdevsim to itself
[  727.124702][T13020] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).