[  494.496357] netdevsim netdevsim476 eni476np1: renamed from eth0
[  494.591411] netdevsim netdevsim756 eni756np1: renamed from eth1
[  494.845050] Could not find device with ifindex 2000 in netnsfd 11
[  494.845441] Could not find netns with fd: 2000
[  494.845537] Cannot link a netdevsim to itself
[  494.845643] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).