fb4cc5f423ce587c1e97377e8afdf92fb4850f59 netbase: clean up Proxy logging (Matthew Zipkin) Pull request description: Follow up to #27375 and see https://github.com/bitcoin/bitcoin/pull/29649#issuecomment-2057456834 This removes an extra log message when we can't connect to our own proxy, and another when the proxy is invalid. ## Before #27375 if proxy is unreachable ``` 2024-04-15T17:54:51Z connect() to 127.0.0.1:9999 failed after wait: Connection refused (61) 2024-04-15T17:54:52Z connect() to 127.0.0.1:9999 failed after wait: Connection refused (61) 2024-04-15T17:54:52Z connect() to 127.0.0.1:9999 failed after wait: Connection refused (61) 2024-04-15T17:54:53Z connect() to 127.0.0.1:9999 failed after wait: Connection refused (61) 2024-04-15T17:54:53Z connect() to 127.0.0.1:9999 failed after wait: Connection refused (61) ``` ## After #27375 if unix proxy is unreachable: ``` 2024-04-15T17:54:03Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) 2024-04-15T17:54:03Z Cannot connect to socket for /Users/matthewzipkin/Desktop/tor 2024-04-15T17:54:04Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) 2024-04-15T17:54:04Z Cannot connect to socket for /Users/matthewzipkin/Desktop/tor 2024-04-15T17:54:04Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) 2024-04-15T17:54:04Z Cannot connect to socket for /Users/matthewzipkin/Desktop/tor 2024-04-15T17:54:05Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) 2024-04-15T17:54:05Z Cannot connect to socket for /Users/matthewzipkin/Desktop/tor ``` ## After this PR: ``` 2024-04-15T18:18:51Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) 2024-04-15T18:18:51Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) 2024-04-15T18:18:52Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) 2024-04-15T18:18:52Z connect() to /Users/matthewzipkin/Desktop/tor failed: No such file or directory (2) ``` ACKs for top commit: tdb3: CR ACK for fb4cc5f423ce587c1e97377e8afdf92fb4850f59 laanwj: ACK fb4cc5f423ce587c1e97377e8afdf92fb4850f59 Tree-SHA512: f07b9f7f2ea9f4bc01780c09f0b076547108294a1fa7d158a0dd48d6d7351569e461e5cccf232b7b1413ce2e3679668e523e5a7c89cd58c909da76d3dcbc34de
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