b56e404049
this to be too restrictive. We need to have both broadcast and unicast enabled for loader to work. Set them in all cases to ensure this is true. This allows the Cavium ThunderX 2s in the netperf cluster to netboot using a USB NIC. PR: 221001 Reviewed by: emaste, tsoome Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D11732