[  488.292368] netdevsim netdevsim665 eni665np1: renamed from eth1
[  488.389473] netdevsim netdevsim410 eni410np1: renamed from eth0
[  488.612240] Could not find device with ifindex 2000 in netnsfd 11
[  488.612412] Could not find netns with fd: 2000
[  488.612495] Cannot link a netdevsim to itself
[  488.612588] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).