still just a workaround, real fix for v2 logs is much more involved.
echo -e -n "\n\r*** XFS QA 044 - expect mount failure messages\n\r\n\r" >/dev/console
echo "*** mkfs"
+
lversion=1
lsize=16777216
ldev=$SCRATCH_LOGDEV
-logopts="-llogdev=$ldev,size=$lsize,version=$lversion"
+MKFS_OPTIONS="-llogdev=$ldev,size=$lsize,version=$lversion"; export MKFS_OPTIONS
+
mkfs_xfs $logopts $SCRATCH_DEV | _filter_mkfs 2>/dev/null
_check_mount
_check_require_logdev