[  482.333511] netdevsim netdevsim476 eni476np1: renamed from eth0
[  482.334248] netdevsim netdevsim630 eni630np1: renamed from eth1
[  482.422803] Could not find device with ifindex 2000 in netnsfd 11
[  482.422915] Could not find netns with fd: 2000
[  482.422962] Cannot link a netdevsim to itself
[  482.423035] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).