[ 1271.722920][T13022] netdevsim netdevsim315 eni315np1: renamed from eth0
[ 1271.733620][T13019] netdevsim netdevsim681 eni681np1: renamed from eth1
[ 1274.431122][T13008] Could not find device with ifindex 2000 in netnsfd 11
[ 1274.433832][T13008] Could not find netns with fd: 2000
[ 1274.435414][T13008] Cannot link a netdevsim to itself
[ 1274.436834][T13008] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).