this is normal, right?
22:58:57.784 [info] Postgrex.Protocol (#PID<0.40128104.0>) disconnected: ** (DBConnection.ConnectionError) client #PID<0.40962400.0> exited
22:59:04.556 [info] Postgrex.Protocol (#PID<0.40126271.0>) disconnected: ** (DBConnection.ConnectionError) client #PID<0.40971756.0> exited
23:00:05.401 [info] Postgrex.Protocol (#PID<0.40125088.0>) disconnected: ** (DBConnection.ConnectionError) client #PID<0.40974771.0> exited
23:00:25.624 [info] Postgrex.Protocol (#PID<0.40118623.0>) disconnected: ** (DBConnection.ConnectionError) client #PID<0.40965528.0> exited
23:00:28.752 [info] Postgrex.Protocol (#PID<0.40117743.0>) disconnected: ** (DBConnection.ConnectionError) client #PID<0.40973532.0> exited
23:01:29.409 [info] Postgrex.Protocol (#PID<0.40126271.0>) disconnected: ** (DBConnection.ConnectionError) client #PID<0.40978713.0> exited
23:01:36.380 [info] Postgrex.Protocol (#PID<0.40118623.0>) disconnected: ** (DBConnection.ConnectionError) client #PID<0.40986627.0> exited