[  478.804603] netdevsim netdevsim298 eni298np1: renamed from eth0
[  478.805699] netdevsim netdevsim644 eni644np1: renamed from eth0
[  478.895258] Could not find device with ifindex 2000 in netnsfd 11
[  478.895394] Could not find netns with fd: 2000
[  478.895497] Cannot link a netdevsim to itself
[  478.895622] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).