[  823.742741][T14771] netdevsim netdevsim511 eni511np1: renamed from eth0
[  823.778488][T14773] netdevsim netdevsim699 eni699np1: renamed from eth1
[  824.496021][T14759] Could not find device with ifindex 2000 in netnsfd 11
[  824.496953][T14759] Could not find netns with fd: 2000
[  824.497436][T14759] Cannot link a netdevsim to itself
[  824.497972][T14759] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).