[  732.428014][T14121] netdevsim netdevsim303 eni303np1: renamed from eth0
[  732.432604][T14123] netdevsim netdevsim565 eni565np1: renamed from eth1
[  733.121545][T14109] Could not find device with ifindex 2000 in netnsfd 11
[  733.122270][T14109] Could not find netns with fd: 2000
[  733.122986][T14109] Cannot link a netdevsim to itself
[  733.124255][T14109] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).