[ 1284.271021][T12883] netdevsim netdevsim494 eni494np1: renamed from eth0
[ 1284.324644][T12882] netdevsim netdevsim684 eni684np1: renamed from eth1
[ 1287.024961][T12871] Could not find device with ifindex 2000 in netnsfd 11
[ 1287.026319][T12871] Could not find netns with fd: 2000
[ 1287.027291][T12871] Cannot link a netdevsim to itself
[ 1287.028419][T12871] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).