[  697.865721][T13030] netdevsim netdevsim448 eni448np1: renamed from eth0
[  697.882708][T13032] netdevsim netdevsim635 eni635np1: renamed from eth1
[  698.521595][T13018] Could not find device with ifindex 2000 in netnsfd 11
[  698.527201][T13018] Could not find netns with fd: 2000
[  698.527632][T13018] Cannot link a netdevsim to itself
[  698.528108][T13018] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).