[  490.078715] netdevsim netdevsim704 eni704np1: renamed from eth1
[  490.175436] netdevsim netdevsim319 eni319np1: renamed from eth0
[  490.411254] Could not find device with ifindex 2000 in netnsfd 11
[  490.411571] Could not find netns with fd: 2000
[  490.411682] Cannot link a netdevsim to itself
[  490.411819] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).