[  522.566662] netdevsim netdevsim717 eni717np1: renamed from eth1
[  522.663363] netdevsim netdevsim308 eni308np1: renamed from eth0
[  522.917530] Could not find device with ifindex 2000 in netnsfd 11
[  522.917743] Could not find netns with fd: 2000
[  522.917849] Cannot link a netdevsim to itself
[  522.917985] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).