[  816.664409][T15780] netdevsim netdevsim411 eni411np1: renamed from eth0
[  816.684135][T15779] netdevsim netdevsim672 eni672np1: renamed from eth1
[  817.301398][T15767] Could not find device with ifindex 2000 in netnsfd 11
[  817.302445][T15767] Could not find netns with fd: 2000
[  817.303064][T15767] Cannot link a netdevsim to itself
[  817.303696][T15767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).