[ 1279.776037][T12851] netdevsim netdevsim514 eni514np1: renamed from eth1
[ 1279.779600][T12847] netdevsim netdevsim310 eni310np1: renamed from eth0
[ 1282.488657][T12837] Could not find device with ifindex 2000 in netnsfd 11
[ 1282.490438][T12837] Could not find netns with fd: 2000
[ 1282.491270][T12837] Cannot link a netdevsim to itself
[ 1282.492276][T12837] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).