Why did the SSL certificate change after update to Venus OS 3.64?

Here’s what’s been added to the logfile over night:

@4000000068a3bce02370597c [2025-08-18 23:52:54.594] [NOTICE] [T 0] Removing client '[LocalBridge ClientID='GXrpc_aR4xxjES1D', username='GXrpc', fd=17, keepalive=60s, transport='TCP/SSL (TLSv1.3)', address='mqtt-rpc.victronenergy.com', prot=5.0, clean=1]'. Reason(s): Keep-alive expired: authenticated=1, keep-alive=60s, last activity=119 seconds ago.
@4000000068a3bce0237afc24 [2025-08-18 23:52:54.594] [NOTICE] [T 0] Removing client '[LocalBridge ClientID='GXdbus_bLivNHcN8F', username='GXdbus', fd=18, keepalive=60s, transport='TCP/SSL (TLSv1.3)', address='mqtt93.victronenergy.com', prot=5.0, clean=1]'. Reason(s): Keep-alive expired: authenticated=1, keep-alive=60s, last activity=119 seconds ago.
@4000000068a3bce0238e41bc [2025-08-18 23:52:54.596] [NOTICE] [T 0] Bridge 'GXrpc' disconnect detected. We will initiate a re-registration in 339080 ms.
@4000000068a3bce523e1341c [2025-08-18 23:52:59.601] [ERROR] [T 0] Error creating bridge 'GXrpc': DNS query for 'mqtt-rpc.victronenergy.com' timed out.
@4000000068a3bce523e73b14 [2025-08-18 23:52:59.601] [ERROR] [T 0] Error creating bridge 'GXdbus': DNS query for 'mqtt93.victronenergy.com' timed out.
@4000000068a3bce605a5bb6c [2025-08-18 23:53:00.094] [NOTICE] [T 0] Bridge 'GXrpc' connection failure count: 1. Increasing reconnect interval to 38 seconds.
@4000000068a3bce605a94994 [2025-08-18 23:53:00.094] [NOTICE] [T 0] Bridge 'GXdbus' connection failure count: 1. Increasing reconnect interval to 24 seconds.
@4000000068a3bce723eae87c [2025-08-18 23:53:01.602] [NOTICE] [T 0] Setting bridge connection status of GXdbus to 0 (DNS query for 'mqtt93.victronenergy.com' timed out.).
@4000000068a3bce72402d57c [2025-08-18 23:53:01.602] [NOTICE] [T 0] Setting bridge connection status of GXrpc to 0 (DNS query for 'mqtt-rpc.victronenergy.com' timed out.).
@4000000068a3bcea237070ec [2025-08-18 23:53:04.594] [NOTICE] [T 0] Removing client '[Mqtt3Bridge ClientID='pi4.victron', username='victron', fd=21, keepalive=60s, transport='TCP/SSL (TLSv1.3)', address='192.168.xxx.xxx', prot=3.1.1, clean=0]'. Reason(s): Keep-alive expired: authenticated=1, keep-alive=60s, last activity=94 seconds ago.
@4000000068a3bd03237552ec [2025-08-18 23:53:29.594] [ERROR] [T 0] Error creating bridge 'GXdbus': DNS query for 'mqtt93.victronenergy.com' timed out.
@4000000068a3bd122375a4f4 [2025-08-18 23:53:44.594] [ERROR] [T 0] Error creating bridge 'GXrpc': DNS query for 'mqtt-rpc.victronenergy.com' timed out.
@4000000068a3bd212375ef2c [2025-08-18 23:53:59.594] [ERROR] [T 0] Error creating bridge 'GXdbus': DNS query for 'mqtt93.victronenergy.com' timed out.
@4000000068a3bd2c26d41dec [2025-08-18 23:54:10.648] [NOTICE] [main] Accepting connection from: address='192.168.xxx.xxx', transport='TCP/SSL', fd=17
@4000000068a3bd2c36b79b44 [2025-08-18 23:54:10.917] [NOTICE] [T 0] Client '[Mqtt3Bridge ClientID='pi4.victron', username='victron', fd=17, keepalive=60s, transport='TCP/SSL (TLSv1.3)', address='192.168.xxx.xxx', prot=3.1.1, clean=0]' logged in successfully
@4000000068a3bd3b05b7091c [2025-08-18 23:54:25.095] [NOTICE] [T 0] Connecting brige: [LocalBridge ClientID='GXrpc_aR4xxjES1D', username='GXrpc', fd=18, keepalive=60s, transport='TCP/SSL', address='mqtt-rpc.victronenergy.com', prot=5.0, clean=1]
@4000000068a3bd3b05c9d59c [2025-08-18 23:54:25.096] [NOTICE] [T 0] Connecting brige: [LocalBridge ClientID='GXdbus_xxxxxxxxxx', username='GXdbus', fd=19, keepalive=60s, transport='TCP/SSL', address='mqtt93.victronenergy.com', prot=5.0, clean=1]
@4000000068a3bd3c0b2975c4 [2025-08-18 23:54:26.186] [NOTICE] [T 0] Bridge '[LocalBridge ClientID='GXrpc_xxxxxxxxxx', username='GXrpc', fd=18, keepalive=60s, transport='TCP/SSL (TLSv1.3)', address='mqtt-rpc.victronenergy.com', prot=5.0, clean=1]' connection established. Subscribing to topics.
@4000000068a3bd3c0c1233cc [2025-08-18 23:54:26.199] [NOTICE] [T 0] Bridge '[LocalBridge ClientID='GXdbus_xxxxxxxxxx', username='GXdbus', fd=19, keepalive=60s, transport='TCP/SSL (TLSv1.3)', address='mqtt93.victronenergy.com', prot=5.0, clean=1]' connection established. Subscribing to topics.
@4000000068a3bd40012ccddc [2025-08-18 23:54:30.019] [NOTICE] [T 0] Setting bridge connection status of GXdbus to 1 (Connected).
@4000000068a3bd40014391fc [2025-08-18 23:54:30.020] [NOTICE] [T 0] Setting bridge connection status of GXrpc to 1 (Connected).
@4000000068a3be332855eb8c [2025-08-18 23:58:33.676] [NOTICE] [T 0] Initiating bridge registration.
@4000000068a3be3328da88c4 [2025-08-18 23:58:33.684] [NOTICE] [T 0] SetValue on /Mqtt/RegisterOnVrm seemingly successful.

Only one actual event, but plenty of lines, filling most of one of the small log files.

thank you for sharing, an other HA MQTT bridge user (3 similar install).

Hey, fyi this is solved per Venus OS v3.70~27 and same fix is also in v3.65, which is now in beta, and planned for official release next week.

thanks again!

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