[  480.065386] netdevsim netdevsim345 eni345np1: renamed from eth0
[  480.066843] netdevsim netdevsim704 eni704np1: renamed from eth1
[  480.156705] Could not find device with ifindex 2000 in netnsfd 11
[  480.156808] Could not find netns with fd: 2000
[  480.156864] Cannot link a netdevsim to itself
[  480.156944] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).