[  797.442045][T15796] netdevsim netdevsim305 eni305np1: renamed from eth0
[  797.452950][T15798] netdevsim netdevsim730 eni730np1: renamed from eth1
[  798.053027][T15784] Could not find device with ifindex 2000 in netnsfd 11
[  798.053553][T15784] Could not find netns with fd: 2000
[  798.053916][T15784] Cannot link a netdevsim to itself
[  798.054327][T15784] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).