[  737.175011][T14295] netdevsim netdevsim273 eni273np1: renamed from eth0
[  737.189044][T14297] netdevsim netdevsim723 eni723np1: renamed from eth1
[  737.747527][T14283] Could not find device with ifindex 2000 in netnsfd 11
[  737.748062][T14283] Could not find netns with fd: 2000
[  737.748494][T14283] Cannot link a netdevsim to itself
[  737.748908][T14283] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).