[  944.732003][T12569] netdevsim netdevsim378 eni378np1: renamed from eth0
[  944.836548][T12568] netdevsim netdevsim728 eni728np1: renamed from eth1
[  946.511998][T12561] Could not find device with ifindex 2000 in netnsfd 11
[  946.513250][T12561] Could not find netns with fd: 2000
[  946.513954][T12561] Cannot link a netdevsim to itself
[  946.515314][T12561] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).