[  793.509779][T14759] netdevsim netdevsim393 eni393np1: renamed from eth0
[  793.522514][T14761] netdevsim netdevsim674 eni674np1: renamed from eth1
[  794.263830][T14747] Could not find device with ifindex 2000 in netnsfd 11
[  794.264516][T14747] Could not find netns with fd: 2000
[  794.265002][T14747] Cannot link a netdevsim to itself
[  794.266037][T14747] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).