[  481.097741] netdevsim netdevsim704 eni704np1: renamed from eth1
[  481.198046] netdevsim netdevsim290 eni290np1: renamed from eth0
[  481.536608] Could not find device with ifindex 2000 in netnsfd 11
[  481.536755] Could not find netns with fd: 2000
[  481.536844] Cannot link a netdevsim to itself
[  481.536942] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).