[  793.668075][T15634] netdevsim netdevsim634 eni634np1: renamed from eth1
[  793.677108][T15636] netdevsim netdevsim372 eni372np1: renamed from eth0
[  794.288043][T15623] Could not find device with ifindex 2000 in netnsfd 11
[  794.288751][T15623] Could not find netns with fd: 2000
[  794.289122][T15623] Cannot link a netdevsim to itself
[  794.289905][T15623] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).