[  479.701631] netdevsim netdevsim476 eni476np1: renamed from eth0
[  479.702344] netdevsim netdevsim519 eni519np1: renamed from eth0
[  479.787237] Could not find device with ifindex 2000 in netnsfd 11
[  479.787357] Could not find netns with fd: 2000
[  479.787403] Cannot link a netdevsim to itself
[  479.787457] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).