[  831.771716][T15772] netdevsim netdevsim438 eni438np1: renamed from eth0
[  831.795660][T15775] netdevsim netdevsim731 eni731np1: renamed from eth1
[  832.428576][T15760] Could not find device with ifindex 2000 in netnsfd 11
[  832.429576][T15760] Could not find netns with fd: 2000
[  832.430182][T15760] Cannot link a netdevsim to itself
[  832.430743][T15760] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).