[  861.545842][T14779] netdevsim netdevsim501 eni501np1: renamed from eth0
[  861.566652][T14781] netdevsim netdevsim592 eni592np1: renamed from eth1
[  862.419407][T14767] Could not find device with ifindex 2000 in netnsfd 11
[  862.420799][T14767] Could not find netns with fd: 2000
[  862.421459][T14767] Cannot link a netdevsim to itself
[  862.422241][T14767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).