[ 1401.549346][T12503] netdevsim netdevsim409 eni409np1: renamed from eth0
[ 1401.596144][T12502] netdevsim netdevsim631 eni631np1: renamed from eth1
[ 1405.241669][T12495] Could not find device with ifindex 2000 in netnsfd 11
[ 1405.242444][T12495] Could not find netns with fd: 2000
[ 1405.243100][T12495] Cannot link a netdevsim to itself
[ 1405.243932][T12495] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).