[  523.346781] netdevsim netdevsim628 eni628np1: renamed from eth1
[  523.445066] netdevsim netdevsim273 eni273np1: renamed from eth0
[  523.686828] Could not find device with ifindex 2000 in netnsfd 11
[  523.687062] Could not find netns with fd: 2000
[  523.687173] Cannot link a netdevsim to itself
[  523.687303] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).