Mqtt connection fails after working for a couple of days.

[simonbove]

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**Instance Type (hosted/ docker/ other):hosted
**User ID (if using hosted service):95
**Steps to reproduce issue:it happens when starting the mqtt broker. No connection is established to the server.
It worked for the past days, and today about 6 hours ago it stopped working.
My mqtt broker is running on a pi in bridge connection.

See below config and error messages in the log when starting the mqtt broker.

Place your local configuration in /etc/mosquitto/conf.d/

A full description of the configuration file is at

/usr/share/doc/mosquitto/examples/mosquitto.conf.example

pid_file /var/run/mosquitto.pid

persistence true
persistence_location /var/lib/mosquitto/

log_dest file /var/log/mosquitto/mosquitto.log

include_dir /etc/mosquitto/conf.d

connection kappelt-gbridge
address mqtt.gbridge.io:8883
bridge_attempt_unsubscribe true
bridge_protocol_version mqttv31
cleansession true
remote_username gbridge-u95
remote_password (redacted)
remote_clientid gbridge-u95-raspberry

topic gBridge/u95/+/+ both 0 "" ""
topic gBridge/u95/+/+/set both 0 "" ""
topic cmnd/# in 0 sonoff/ gBridge/u95/
topic stat/# out 0 sonoff/ gBridge/u95/
bridge_capath /etc/ssl/certs/
bridge_tls_version tlsv1.2

pi@raspberrypi:~ $ sudo tail /var/log/mosquitto/mosquitto.log -n 40
1578348398: Opening ipv6 listen socket on port 1883.
1578348398: Connecting bridge kappelt-gbridge (mqtt.gbridge.io:8883)
1578348398: New connection from 192.168.3.139 on port 1883.
1578348398: New client connected from 192.168.3.139 as MaxCube (c1, k15, u'pi').
1578348398: Socket error on client local.gbridge-u95-raspberry, disconnecting.
1578348399: New connection from 192.168.3.152 on port 1883.
1578348399: New client connected from 192.168.3.152 as Ventilation (c1, k10, u'pi').
1578348399: New connection from 192.168.3.147 on port 1883.
1578348399: New client connected from 192.168.3.147 as electric_kettle (c1, k15, u'pi').
1578348399: New connection from 192.168.3.149 on port 1883.
1578348399: New client connected from 192.168.3.149 as bathroom (c1, k10, u'pi').
1578348399: New connection from 192.168.3.145 on port 1883.
1578348399: New client connected from 192.168.3.145 as IRreceiver (c1, k30, u'pi').1578348399: New connection from 192.168.3.144 on port 1883.
1578348399: New client connected from 192.168.3.144 as samsung_tv (c1, k15, u'pi').1578348399: New connection from 192.168.3.158 on port 1883.
1578348399: New client connected from 192.168.3.158 as Vaskemaskine (c1, k15, u'pi').
1578348399: New connection from 192.168.3.136 on port 1883.
1578348399: New client connected from 192.168.3.136 as batterycharger (c1, k15, u'pi').
1578348399: New connection from 192.168.3.141 on port 1883.
1578348399: New client connected from 192.168.3.141 as living-room-floor-lamp (c1, k15, u'pi').
1578348399: New connection from 192.168.3.146 on port 1883.
1578348399: New client connected from 192.168.3.146 as dishwasher (c1, k15, u'pi').1578348399: New connection from 192.168.3.138 on port 1883.
1578348399: New client connected from 192.168.3.138 as kitchen-counter-light (c1, k15, u'pi').
1578348399: New connection from 192.168.3.154 on port 1883.
1578348399: New client connected from 192.168.3.154 as Blind_Controller (c1, k30, u'pi').
1578348400: New connection from 192.168.3.150 on port 1883.
1578348400: New client connected from 192.168.3.150 as shelly1-0587C6 (c1, k60, u'pi').
1578348400: New connection from 192.168.3.142 on port 1883.
1578348400: New client connected from 192.168.3.142 as shelly1-05874F (c1, k300, u'pi').
1578348400: New connection from 192.168.3.157 on port 1883.
1578348400: New client connected from 192.168.3.157 as shelly1-079CBA (c1, k60, u'pi').
1578348400: New connection from 192.168.3.135 on port 1883.
1578348400: New client connected from 192.168.3.135 as shelly1-9F6E0A (c1, k300, u'pi').
1578348403: New connection from 192.168.3.4 on port 1883.
1578348403: New client connected from 192.168.3.4 as pimatic (c1, k180, u'pi').
1578348429: Connecting bridge kappelt-gbridge (mqtt.gbridge.io:8883)
1578348429: Socket error on client local.gbridge-u95-raspberry, disconnecting.
1578348460: Connecting bridge kappelt-gbridge (mqtt.gbridge.io:8883)
pi@raspberrypi:~ $

• Step 1
• Step 2
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**Expected behaviour:Should make a connection to mqtt server.
**Actual behaviour:it keeps failing the connection.

Bonus info. The only change I made today on the system is to install sudo pip install speedtest-cli
And run a couple of speedtest, as far as I know the mqtt connection worked after I installed the speed test.
Can you see anything server side wise?

[simonbove]

Still down. I have tried rebooting etc.