[ 1208.367133][T12772] netdevsim netdevsim747 eni747np1: renamed from eth1
[ 1208.492798][T12774] netdevsim netdevsim502 eni502np1: renamed from eth0
[ 1211.076155][T12767] Could not find device with ifindex 2000 in netnsfd 11
[ 1211.077241][T12767] Could not find netns with fd: 2000
[ 1211.078203][T12767] Cannot link a netdevsim to itself
[ 1211.079250][T12767] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).