[  844.803029][T15780] netdevsim netdevsim722 eni722np1: renamed from eth1
[  844.810492][T15778] netdevsim netdevsim441 eni441np1: renamed from eth0
[  845.628211][T15767] Could not find device with ifindex 2000 in netnsfd 11
[  845.629314][T15767] Could not find netns with fd: 2000
[  845.629796][T15767] Cannot link a netdevsim to itself
[  845.630473][T15767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).