[ 1023.887344][T12129] netdevsim netdevsim409 eni409np1: renamed from eth0
[ 1023.989198][T12124] netdevsim netdevsim560 eni560np1: renamed from eth1
[ 1025.800980][T12553] Could not find device with ifindex 2000 in netnsfd 11
[ 1025.802037][T12553] Could not find netns with fd: 2000
[ 1025.802832][T12553] Cannot link a netdevsim to itself
[ 1025.803698][T12553] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).