[  812.983625][T15628] netdevsim netdevsim496 eni496np1: renamed from eth0
[  813.004400][T15631] netdevsim netdevsim700 eni700np1: renamed from eth1
[  813.601101][T15616] Could not find device with ifindex 2000 in netnsfd 11
[  813.601777][T15616] Could not find netns with fd: 2000
[  813.602699][T15616] Cannot link a netdevsim to itself
[  813.603422][T15616] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).