[ 1286.796428][T12862] netdevsim netdevsim739 eni739np1: renamed from eth1
[ 1286.908275][T12860] netdevsim netdevsim510 eni510np1: renamed from eth0
[ 1289.467668][T12847] Could not find device with ifindex 2000 in netnsfd 11
[ 1289.469231][T12847] Could not find netns with fd: 2000
[ 1289.470149][T12847] Cannot link a netdevsim to itself
[ 1289.472637][T12847] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).