[  867.141565][T14813] netdevsim netdevsim262 eni262np1: renamed from eth0
[  867.164847][T14815] netdevsim netdevsim638 eni638np1: renamed from eth1
[  867.976525][T14801] Could not find device with ifindex 2000 in netnsfd 11
[  867.977919][T14801] Could not find netns with fd: 2000
[  867.978645][T14801] Cannot link a netdevsim to itself
[  867.979260][T14801] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).