[  480.227560] netdevsim netdevsim574 eni574np1: renamed from eth1
[  480.227743] netdevsim netdevsim472 eni472np1: renamed from eth0
[  480.319697] Could not find device with ifindex 2000 in netnsfd 11
[  480.319862] Could not find netns with fd: 2000
[  480.319920] Cannot link a netdevsim to itself
[  480.319975] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).