[  774.823200][T14756] netdevsim netdevsim352 eni352np1: renamed from eth0
[  774.835159][T14758] netdevsim netdevsim604 eni604np1: renamed from eth1
[  775.418804][T14744] Could not find device with ifindex 2000 in netnsfd 11
[  775.419684][T14744] Could not find netns with fd: 2000
[  775.420277][T14744] Cannot link a netdevsim to itself
[  775.420814][T14744] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).