block at receiving a connack

[iamcc]

09-16 07:00:02.649 I/GoLog (10607): [mqtt][D][pinger] ping check 15
09-16 07:00:07.649 I/GoLog (10607): [mqtt][D][pinger] ping check 20
09-16 07:00:12.651 I/GoLog (10607): [mqtt][D][pinger] ping check 25
09-16 07:00:17.649 I/GoLog (10607): [mqtt][D][pinger] ping check 30
09-16 07:00:17.649 I/GoLog (10607): [mqtt][D][pinger] keepalive sending ping
09-16 07:00:22.650 I/GoLog (10607): [mqtt][D][pinger] ping check 5
09-16 07:00:23.227 I/GoLog (10607): [mqtt][E][net] incoming stopped with error read tcp 192.168.199.195:37582->: read: connection timed out
09-16 07:00:23.227 I/GoLog (10607): [mqtt][E][net] error triggered, stopping
09-16 07:00:23.227 I/GoLog (10607): [mqtt] Connect Lost
09-16 07:00:23.227 I/GoLog (10607): [mqtt][D][net] outgoing stopped
09-16 07:00:23.227 I/GoLog (10607): [mqtt][D][pinger] keepalive stopped
09-16 07:00:23.227 I/GoLog (10607): [mqtt][W][net] logic stopped
09-16 07:00:23.228 I/GoLog (10607): [mqtt][D][client] enter reconnect
09-16 07:00:23.228 I/GoLog (10607): [mqtt][D][client] about to write new connect msg
09-16 07:00:23.236 I/GoLog (10607): [mqtt][E][client] dial tcp : connect: network is unreachable
09-16 07:00:23.236 I/GoLog (10607): [mqtt][W][client] failed to connect to broker, trying next
09-16 07:00:23.236 I/GoLog (10607): [mqtt][D][client] Reconnect failed, sleeping for 1 seconds
09-16 07:00:23.265 I/ReactNativeJS(10607): '[mqtt]', 'read tcp 192.168.199.195:37582->: read: connection timed out'
09-16 07:00:24.236 I/GoLog (10607): [mqtt][D][client] about to write new connect msg
09-16 07:00:24.237 I/GoLog (10607): [mqtt][E][client] dial tcp : connect: network is unreachable
09-16 07:00:24.237 I/GoLog (10607): [mqtt][W][client] failed to connect to broker, trying next
09-16 07:00:24.237 I/GoLog (10607): [mqtt][D][client] Reconnect failed, sleeping for 2 seconds
09-16 07:00:26.237 I/GoLog (10607): [mqtt][D][client] about to write new connect msg
09-16 07:00:26.238 I/GoLog (10607): [mqtt][E][client] dial tcp : connect: network is unreachable
09-16 07:00:26.238 I/GoLog (10607): [mqtt][W][client] failed to connect to broker, trying next
09-16 07:00:26.238 I/GoLog (10607): [mqtt][D][client] Reconnect failed, sleeping for 4 seconds
09-16 07:00:30.240 I/GoLog (10607): [mqtt][D][client] about to write new connect msg
09-16 07:00:30.314 I/GoLog (10607): [mqtt][D][client] socket connected to broker
09-16 07:00:30.314 I/GoLog (10607): [mqtt][D][client] Using MQTT 3.1.1 protocol
09-16 07:00:30.315 I/GoLog (10607): [mqtt][D][net] connect started

[alsm]

Sorry, it's not clear from the log the issue you're having. As it's been a while I'm going to close this, please open again if you're still having issues.