[  475.865611] netdevsim netdevsim393 eni393np1: renamed from eth0
[  475.865909] netdevsim netdevsim656 eni656np1: renamed from eth1
[  475.946847] Could not find device with ifindex 2000 in netnsfd 11
[  475.946926] Could not find netns with fd: 2000
[  475.946967] Cannot link a netdevsim to itself
[  475.947020] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).