[  489.258864] netdevsim netdevsim280 eni280np1: renamed from eth0
[  489.260056] netdevsim netdevsim568 eni568np1: renamed from eth1
[  489.617243] Could not find device with ifindex 2000 in netnsfd 11
[  489.617420] Could not find netns with fd: 2000
[  489.617512] Cannot link a netdevsim to itself
[  489.617630] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).