[  477.785205] netdevsim netdevsim297 eni297np1: renamed from eth0
[  477.785921] netdevsim netdevsim735 eni735np1: renamed from eth0
[  477.892056] Could not find device with ifindex 2000 in netnsfd 11
[  477.892175] Could not find netns with fd: 2000
[  477.892257] Cannot link a netdevsim to itself
[  477.892324] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).