[  710.442077][T13070] netdevsim netdevsim304 eni304np1: renamed from eth0
[  710.449437][T13072] netdevsim netdevsim581 eni581np1: renamed from eth1
[  711.103116][T13058] Could not find device with ifindex 2000 in netnsfd 11
[  711.104151][T13058] Could not find netns with fd: 2000
[  711.104594][T13058] Cannot link a netdevsim to itself
[  711.105049][T13058] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).