[ 1319.765754][T13022] netdevsim netdevsim643 eni643np1: renamed from eth1
[ 1319.891568][T13023] netdevsim netdevsim317 eni317np1: renamed from eth0
[ 1322.404209][T13011] Could not find device with ifindex 2000 in netnsfd 11
[ 1322.407937][T13011] Could not find netns with fd: 2000
[ 1322.411391][T13011] Cannot link a netdevsim to itself
[ 1322.412648][T13011] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).