[  454.657276] netdevsim netdevsim495 eni495np1: renamed from eth0
[  454.657825] netdevsim netdevsim633 eni633np1: renamed from eth1
[  454.752790] Could not find device with ifindex 2000 in netnsfd 11
[  454.752883] Could not find netns with fd: 2000
[  454.752927] Cannot link a netdevsim to itself
[  454.752977] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).