[  739.233995][T14450] netdevsim netdevsim450 eni450np1: renamed from eth0
[  739.245330][T14452] netdevsim netdevsim592 eni592np1: renamed from eth1
[  739.789864][T14438] Could not find device with ifindex 2000 in netnsfd 11
[  739.790552][T14438] Could not find netns with fd: 2000
[  739.790911][T14438] Cannot link a netdevsim to itself
[  739.791315][T14438] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).