[  836.950613][T14768] netdevsim netdevsim459 eni459np1: renamed from eth0
[  836.984850][T14770] netdevsim netdevsim742 eni742np1: renamed from eth1
[  837.602230][T14756] Could not find device with ifindex 2000 in netnsfd 11
[  837.602901][T14756] Could not find netns with fd: 2000
[  837.603378][T14756] Cannot link a netdevsim to itself
[  837.603941][T14756] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).