[  494.050031] netdevsim netdevsim425 eni425np1: renamed from eth0
[  494.146735] netdevsim netdevsim663 eni663np1: renamed from eth1
[  494.393637] Could not find device with ifindex 2000 in netnsfd 11
[  494.394002] Could not find netns with fd: 2000
[  494.394109] Cannot link a netdevsim to itself
[  494.394250] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).