[  485.268322] netdevsim netdevsim347 eni347np1: renamed from eth0
[  485.269467] netdevsim netdevsim610 eni610np1: renamed from eth1
[  485.359371] Could not find device with ifindex 2000 in netnsfd 11
[  485.359473] Could not find netns with fd: 2000
[  485.359520] Cannot link a netdevsim to itself
[  485.359571] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).