[  471.737649] netdevsim netdevsim294 eni294np1: renamed from eth0
[  471.740260] netdevsim netdevsim745 eni745np1: renamed from eth0
[  471.808130] Could not find device with ifindex 2000 in netnsfd 11
[  471.808193] Could not find netns with fd: 2000
[  471.808226] Cannot link a netdevsim to itself
[  471.808262] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).