[ 1244.170427][T11141] netdevsim netdevsim381 eni381np1: renamed from eth0
[ 1244.182676][T11139] netdevsim netdevsim650 eni650np1: renamed from eth1
[ 1247.573939][T11133] Could not find device with ifindex 2000 in netnsfd 11
[ 1247.574711][T11133] Could not find netns with fd: 2000
[ 1247.575585][T11133] Cannot link a netdevsim to itself
[ 1247.576235][T11133] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).