[  772.886987][T14573] netdevsim netdevsim302 eni302np1: renamed from eth0
[  772.902077][T14575] netdevsim netdevsim630 eni630np1: renamed from eth1
[  773.485781][T14561] Could not find device with ifindex 2000 in netnsfd 11
[  773.486337][T14561] Could not find netns with fd: 2000
[  773.486741][T14561] Cannot link a netdevsim to itself
[  773.487624][T14561] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).