[  480.469258] netdevsim netdevsim479 eni479np1: renamed from eth0
[  480.469683] netdevsim netdevsim681 eni681np1: renamed from eth1
[  480.561807] Could not find device with ifindex 2000 in netnsfd 11
[  480.561962] Could not find netns with fd: 2000
[  480.562065] Cannot link a netdevsim to itself
[  480.562178] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).