mod_net_proxy: Use safer util.format for generating description string (thanks tom) It appears that server_event may emit port numbers (src_port() in this case) as strings, rather than integers. This causes string.format() to throw an error. Prosody's util.format is a more forgiving formatter and won't throw an error. The server_event behaviour may be best fixed for the sake of consistency, though.

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summary: 'XEP-0198: Reliability and fast reconnects for XMPP'
superseded_by: mod_smacks
labels:
- 'Stage-Obsolete'
...

Since Prosody 0.12, this module is [included in Prosody](https://prosody.im/doc/modules/mod_smacks).