[Definition]
failregex = ^ \[error\] \d+#\d+: \*\d+ connect\(\) to .*php.*fpm\.sock failed .* while connecting to upstream.*client: <HOST>.*
            ^ \[error\] \d+#\d+: \*\d+ recv\(\) failed .* upstream.*client: <HOST>.*
            ^ \[error\] \d+#\d+: \*\d+ upstream timed out .* while connecting to upstream.*client: <HOST>.*
ignoreregex =