It appears that the access points can't create the GRE tunnel. When I look at the datapath session table I see protocol 17 but not protocol 47...
(Master) #show log system 50
Oct 17 07:19:18 :399899: <4063> <INFO> |ipstm| sapi_rsp, sapi.c:248: SAPI response service/level lookup failed
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:18 :399899: <4063> <INFO> |ipstm| sapi_rsp, sapi.c:248: SAPI response service/level lookup failed
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:18 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 KERNEL: [ 306.867000] 0:alloc_vis_map: Allocated 7340032 bytes for fw_visibility(3975)
Oct 17 07:19:19 KERNEL: [ 306.867000] 0:apsd_porf_getdmamem: physical address 0xB7000000, virtual address 0xc0000000b7000000, size 7340032
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message, len=88
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| papi_rcv_cb, Recvd PAPI Message from IKE
Oct 17 07:19:19 :348306: <4063> <DBUG> |ipstm| procIkeMessage, Received Unknown IKE message