[  763.241208][T14758] netdevsim netdevsim311 eni311np1: renamed from eth0
[  763.256414][T14759] netdevsim netdevsim752 eni752np1: renamed from eth1
[  763.829326][T14746] Could not find device with ifindex 2000 in netnsfd 11
[  763.831511][T14746] Could not find netns with fd: 2000
[  763.831876][T14746] Cannot link a netdevsim to itself
[  763.832314][T14746] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).