[  479.612503] netdevsim netdevsim394 eni394np1: renamed from eth0
[  479.613775] netdevsim netdevsim766 eni766np1: renamed from eth1
[  479.713815] Could not find device with ifindex 2000 in netnsfd 11
[  479.713928] Could not find netns with fd: 2000
[  479.713982] Cannot link a netdevsim to itself
[  479.714035] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).