[ 1078.436850][T12583] netdevsim netdevsim257 eni257np1: renamed from eth0
[ 1078.534245][T12584] netdevsim netdevsim652 eni652np1: renamed from eth1
[ 1080.289476][T12729] Could not find device with ifindex 2000 in netnsfd 11
[ 1080.290366][T12729] Could not find netns with fd: 2000
[ 1080.290993][T12729] Cannot link a netdevsim to itself
[ 1080.291741][T12729] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).