[  867.464737][T14778] netdevsim netdevsim374 eni374np1: renamed from eth0
[  867.478712][T14780] netdevsim netdevsim638 eni638np1: renamed from eth1
[  868.284693][T14766] Could not find device with ifindex 2000 in netnsfd 11
[  868.285875][T14766] Could not find netns with fd: 2000
[  868.286276][T14766] Cannot link a netdevsim to itself
[  868.286718][T14766] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).