[  479.220204] netdevsim netdevsim376 eni376np1: renamed from eth0
[  479.220915] netdevsim netdevsim727 eni727np1: renamed from eth0
[  479.315064] Could not find device with ifindex 2000 in netnsfd 11
[  479.315176] Could not find netns with fd: 2000
[  479.315237] Cannot link a netdevsim to itself
[  479.315300] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).