[  756.276984][T14581] netdevsim netdevsim402 eni402np1: renamed from eth0
[  756.281042][T14583] netdevsim netdevsim751 eni751np1: renamed from eth1
[  756.884972][T14569] Could not find device with ifindex 2000 in netnsfd 11
[  756.885561][T14569] Could not find netns with fd: 2000
[  756.885952][T14569] Cannot link a netdevsim to itself
[  756.886388][T14569] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).