Downloaded the 386.7_2 update and applied it to the master on a two node net, master and one node. Both routers are RT-AC86U. The master router now shows rev 386.7_2. When we tried to update the node, the update failed. Retried several times, the node gets stuck saying "Updating settings please wait". After restarting the node, it reports still being on 286.5_2. Any idea how to fix this?