[  479.656066] netdevsim netdevsim508 eni508np1: renamed from eth0
[  479.656775] netdevsim netdevsim585 eni585np1: renamed from eth0
[  479.752607] Could not find device with ifindex 2000 in netnsfd 11
[  479.752713] Could not find netns with fd: 2000
[  479.752777] Cannot link a netdevsim to itself
[  479.752845] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).