[ 1170.196630][T12851] netdevsim netdevsim613 eni613np1: renamed from eth1
[ 1170.308331][T12852] netdevsim netdevsim437 eni437np1: renamed from eth0
[ 1172.470922][T12839] Could not find device with ifindex 2000 in netnsfd 11
[ 1172.472389][T12839] Could not find netns with fd: 2000
[ 1172.473232][T12839] Cannot link a netdevsim to itself
[ 1172.474382][T12839] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).