[  475.150721] netdevsim netdevsim278 eni278np1: renamed from eth0
[  475.151391] netdevsim netdevsim672 eni672np1: renamed from eth1
[  475.237395] Could not find device with ifindex 2000 in netnsfd 11
[  475.237490] Could not find netns with fd: 2000
[  475.237535] Cannot link a netdevsim to itself
[  475.237585] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).