zigbee2mqtt logs 1.6.0

9/15/2019, 2:02:05 PM - debug: Loaded state from file /opt/zigbee2mqtt/data/state.json
9/15/2019, 2:02:05 PM - debug: Saving state to file /opt/zigbee2mqtt/data/state.json
9/15/2019, 2:02:06 PM - info: Starting zigbee2mqtt version 1.6.0 (commit #e26ad2a)
9/15/2019, 2:02:06 PM - info: Starting zigbee-shepherd
9/15/2019, 2:02:06 PM - debug: Using zigbee-shepherd with settings: '{"net":{"panId":6754,"extPanId":[221,221,221,221,221,221,221,221],"channelList":[11],"precfgkey":"HIDDEN"},"dbPath":"/opt/zigbee2mqtt/data/database.db","coordBackupPath":"/opt/zigbee2mqtt
/data/coordinator_backup.json","sp":{"baudRate":115200,"rtscts":true}}'
9/15/2019, 2:02:19 PM - info: Error while starting zigbee-shepherd, attempting to fix... (takes 60 seconds) (Error: SRSP - SYS - osalNvRead after 6000ms)
9/15/2019, 2:03:19 PM - info: Starting zigbee-shepherd
9/15/2019, 2:03:26 PM - error: Error while starting zigbee-shepherd! (Error: SRSP - SYS - osalNvRead after 6000ms)
9/15/2019, 2:04:25 PM - info: Logging to directory: '/var/log/zigbee2mqtt'
9/15/2019, 2:04:25 PM - debug: Loaded state from file /opt/zigbee2mqtt/data/state.json
9/15/2019, 2:04:25 PM - debug: Saving state to file /opt/zigbee2mqtt/data/state.json
9/15/2019, 2:04:25 PM - info: Starting zigbee2mqtt version 1.6.0 (commit #e26ad2a)
9/15/2019, 2:04:25 PM - info: Starting zigbee-shepherd
9/15/2019, 2:04:25 PM - debug: Using zigbee-shepherd with settings: '{"net":{"panId":6754,"extPanId":[221,221,221,221,221,221,221,221],"channelList":[11],"precfgkey":"HIDDEN"},"dbPath":"/opt/zigbee2mqtt/data/database.db","coordBackupPath":"/opt/zigbee2mqtt
/data/coordinator_backup.json","sp":{"baudRate":115200,"rtscts":true}}'
9/15/2019, 2:04:39 PM - info: Error while starting zigbee-shepherd, attempting to fix... (takes 60 seconds) (Error: SRSP - SYS - osalNvRead after 6000ms)
9/15/2019, 2:05:39 PM - info: Starting zigbee-shepherd
9/15/2019, 2:05:52 PM - error: Error while starting zigbee-shepherd! (Error: SRSP - SYS - osalNvRead after 6000ms)
9/15/2019, 2:12:58 PM - info: Logging to directory: '/var/log/zigbee2mqtt'
9/15/2019, 2:12:58 PM - info: Starting zigbee2mqtt version 1.6.0 (commit #e26ad2a)
9/15/2019, 2:12:58 PM - info: Starting zigbee-shepherd
9/15/2019, 2:13:01 PM - info: Error while starting zigbee-shepherd, attempting to fix... (takes 60 seconds) (Error: Cluster with key '64527' does not exist)
9/15/2019, 2:14:01 PM - info: Starting zigbee-shepherd
9/15/2019, 2:14:03 PM - error: Error while starting zigbee-shepherd! (Error: dev exists, unregister it first.)
9/15/2019, 2:23:05 PM - info: Logging to directory: '/var/log/zigbee2mqtt'
9/15/2019, 2:23:05 PM - info: Starting zigbee2mqtt version 1.6.0 (commit #e26ad2a)
9/15/2019, 2:23:05 PM - info: Starting zigbee-shepherd
9/15/2019, 2:23:18 PM - info: Error while starting zigbee-shepherd, attempting to fix... (takes 60 seconds) (Error: SRSP - SYS - osalNvRead after 6000ms)
9/15/2019, 2:24:18 PM - info: Starting zigbee-shepherd
9/15/2019, 2:24:31 PM - error: Error while starting zigbee-shepherd! (Error: SRSP - SYS - osalNvRead after 6000ms)
9/15/2019, 2:26:55 PM - info: Logging to directory: '/var/log/zigbee2mqtt'
9/15/2019, 2:26:55 PM - info: Starting zigbee2mqtt version 1.6.0 (commit #e26ad2a)
9/15/2019, 2:26:55 PM - info: Starting zigbee-shepherd
9/15/2019, 2:27:08 PM - info: Error while starting zigbee-shepherd, attempting to fix... (takes 60 seconds) (Error: SRSP - SYS - osalNvRead after 6000ms)
9/15/2019, 2:27:11 PM - error: Not connected to MQTT server!
9/15/2019, 2:32:49 PM - info: Logging to directory: '/var/log/zigbee2mqtt'