[  792.222420][T14448] netdevsim netdevsim400 eni400np1: renamed from eth0
[  792.238705][T14450] netdevsim netdevsim724 eni724np1: renamed from eth1
[  792.838746][T14436] Could not find device with ifindex 2000 in netnsfd 11
[  792.839543][T14436] Could not find netns with fd: 2000
[  792.840381][T14436] Cannot link a netdevsim to itself
[  792.841826][T14436] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).