MFC 305052-305054,305110
305052
hyperv/hn: Remove the useless rndis_device and related bits Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7687
305053
hyperv/hn: Log packet message alignment. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7689
305054
hyperv/hn: Remove unnecessary NULL check. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7690
305110
hyperv/hn: Consolidate NVS transaction execution. Sponsored by: Microsoft Differential Revision: https://reviews.freebsd.org/D7704