[  476.484721] netdevsim netdevsim337 eni337np1: renamed from eth0
[  476.485158] netdevsim netdevsim629 eni629np1: renamed from eth1
[  476.569605] Could not find device with ifindex 2000 in netnsfd 11
[  476.569690] Could not find netns with fd: 2000
[  476.569733] Cannot link a netdevsim to itself
[  476.569786] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).