[ 1295.492882][T12748] netdevsim netdevsim386 eni386np1: renamed from eth0
[ 1295.557771][T12751] netdevsim netdevsim686 eni686np1: renamed from eth1
[ 1298.355217][T12736] Could not find device with ifindex 2000 in netnsfd 11
[ 1298.357692][T12736] Could not find netns with fd: 2000
[ 1298.359235][T12736] Cannot link a netdevsim to itself
[ 1298.360470][T12736] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).