Constant 'No Handler Registered!' message in logs

I am seeing these messages in the log constantly. Is this something I need to fix/do?

2021-07-27T15:24:58.704Z CNTRLR [Node 031] healing node…
2021-07-27T15:24:58.705Z CNTRLR » [Node 031] refreshing neighbor list (attempt 1)…
2021-07-27T15:24:59.343Z DRIVER no handlers registered!
2021-07-27T15:25:06.693Z DRIVER no handlers registered!
2021-07-27T15:25:24.103Z CNTRLR « [Node 031] neighbor list refreshed…
2021-07-27T15:25:24.103Z CNTRLR » [Node 031] Deleting SUC return route…
2021-07-27T15:25:24.270Z CNTRLR » [Node 031] Assigning SUC return route…
2021-07-27T15:25:24.971Z CNTRLR » [Node 031] deleting return routes (attempt 1)…
2021-07-27T15:25:26.455Z CNTRLR » [Node 031] assigning return routes to the following nodes:
1
2021-07-27T15:25:26.456Z CNTRLR » [Node 031] assigning return route to node 1 (attempt 1)…
2021-07-27T15:25:27.388Z CNTRLR [Node 031] healed successfully
2021-07-27T15:25:27.389Z CNTRLR » [Node 031] requesting node neighbors…
2021-07-27T15:25:27.403Z CNTRLR « [Node 031] node neighbors received: 1, 6, 9, 17, 18, 20, 22, 27, 28, 29, 30, 3
2, 33, 34, 36, 37, 38, 39, 40, 41, 42, 45, 47, 48, 49, 51, 53, 55, 56, 57, 60,
71, 72, 76, 79, 83, 84, 86, 97, 110, 111, 118, 120, 121, 122, 123, 125
2021-07-27T15:25:27.404Z CNTRLR [Node 073] healing node…
2021-07-27T15:25:27.404Z CNTRLR » [Node 073] refreshing neighbor list (attempt 1)…
2021-07-27T15:25:28.044Z DRIVER no handlers registered!
2021-07-27T15:25:36.219Z DRIVER no handlers registered!
2021-07-27T15:25:36.262Z DRIVER Dropping message with invalid payload:
0x01060004004900b4
2021-07-27T15:25:56.123Z CNTRLR « [Node 073] neighbor list refreshed…
2021-07-27T15:25:56.123Z CNTRLR » [Node 073] Deleting SUC return route…
2021-07-27T15:25:56.296Z CNTRLR » [Node 073] Assigning SUC return route…
2021-07-27T15:25:56.989Z CNTRLR » [Node 073] deleting return routes (attempt 1)…
2021-07-27T15:25:58.711Z CNTRLR » [Node 073] assigning return routes to the following nodes:
1
2021-07-27T15:25:58.711Z CNTRLR » [Node 073] assigning return route to node 1 (attempt 1)…
2021-07-27T15:25:59.609Z CNTRLR [Node 073] healed successfully
2021-07-27T15:25:59.609Z CNTRLR » [Node 073] requesting node neighbors…
2021-07-27T15:25:59.620Z CNTRLR « [Node 073] node neighbors received: 1, 6, 8, 9, 12, 18, 28, 35, 37, 39, 40, 41
, 48, 71, 72, 74, 75, 76, 79, 80, 83, 84, 85, 86, 87, 89, 90, 91, 92, 96, 97,
100, 110, 111, 112, 120, 121, 123
2021-07-27T15:25:59.620Z CNTRLR [Node 088] healing node…
2021-07-27T15:25:59.621Z CNTRLR » [Node 088] refreshing neighbor list (attempt 1)…
2021-07-27T15:26:00.259Z DRIVER no handlers registered!
2021-07-27T15:26:00.375Z DRIVER Dropping message with invalid payload:
0x01060004005800a5
2021-07-27T15:26:09.417Z DRIVER no handlers registered!