[  813.756502][T15828] netdevsim netdevsim412 eni412np1: renamed from eth0
[  813.772131][T15829] netdevsim netdevsim634 eni634np1: renamed from eth1
[  814.374496][T15814] Could not find device with ifindex 2000 in netnsfd 11
[  814.375155][T15814] Could not find netns with fd: 2000
[  814.375696][T15814] Cannot link a netdevsim to itself
[  814.376203][T15814] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).