[  959.663881][T12660] netdevsim netdevsim669 eni669np1: renamed from eth1
[  959.669905][T12678] netdevsim netdevsim439 eni439np1: renamed from eth0
[  961.374846][T12756] Could not find device with ifindex 2000 in netnsfd 11
[  961.375668][T12756] Could not find netns with fd: 2000
[  961.376215][T12756] Cannot link a netdevsim to itself
[  961.376847][T12756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).