[ 1290.508221][T13021] netdevsim netdevsim321 eni321np1: renamed from eth0
[ 1290.619404][T13018] netdevsim netdevsim674 eni674np1: renamed from eth1
[ 1293.233155][T13009] Could not find device with ifindex 2000 in netnsfd 11
[ 1293.235661][T13009] Could not find netns with fd: 2000
[ 1293.236855][T13009] Cannot link a netdevsim to itself
[ 1293.238495][T13009] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).