[  762.802409][T14638] netdevsim netdevsim447 eni447np1: renamed from eth0
[  762.814262][T14640] netdevsim netdevsim622 eni622np1: renamed from eth1
[  763.363127][T14626] Could not find device with ifindex 2000 in netnsfd 11
[  763.363725][T14626] Could not find netns with fd: 2000
[  763.364168][T14626] Cannot link a netdevsim to itself
[  763.364712][T14626] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).