[ 1230.139315][T11145] netdevsim netdevsim645 eni645np1: renamed from eth1
[ 1230.240952][T11146] netdevsim netdevsim379 eni379np1: renamed from eth0
[ 1233.529047][T11138] Could not find device with ifindex 2000 in netnsfd 11
[ 1233.529743][T11138] Could not find netns with fd: 2000
[ 1233.530277][T11138] Cannot link a netdevsim to itself
[ 1233.530924][T11138] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).