[ 1221.600432][T11130] netdevsim netdevsim603 eni603np1: renamed from eth1
[ 1221.608419][T11131] netdevsim netdevsim342 eni342np1: renamed from eth0
[ 1224.868723][T11123] Could not find device with ifindex 2000 in netnsfd 11
[ 1224.869455][T11123] Could not find netns with fd: 2000
[ 1224.870260][T11123] Cannot link a netdevsim to itself
[ 1224.870948][T11123] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).