Try to reduce the instances of 'fail' in the logs so it's easier to find failed tests

common/base/Credentials.cpp

@@ -124,7 +124,7 @@ bool SetUID(uid_t new_uid) {
   return false;
 #else
   if (setuid(new_uid)) {
-    OLA_WARN << "setuid failed with " << strerror(errno);
+    OLA_WARN << "setuid(" << new_uid << "): " << strerror(errno);
     return false;
   }
   return true;
@@ -138,7 +138,7 @@ bool SetGID(gid_t new_gid) {
   return false;
 #else
   if (setgid(new_gid)) {
-    OLA_WARN << "setgid failed with " << strerror(errno);
+    OLA_WARN << "setgid(" << new_gid << "): " << strerror(errno);
     return false;
   }
   return true;

common/io/IOUtils.cpp

@@ -35,7 +35,7 @@ using std::string;
 bool Open(const string &path, int oflag, int *fd) {
   *fd = open(path.c_str(), oflag);
   if (*fd < 0) {
-    OLA_WARN << "Failed to open " << path << ": " << strerror(errno);
+    OLA_WARN << "open(" << path << "): " << strerror(errno);
     return false;
   }
   return true;

common/network/Socket.cpp

@@ -148,7 +148,7 @@ bool UDPSocket::Bind(const IPV4SocketAddress &endpoint) {
 #else
   if (bind(m_handle, &server_address, sizeof(server_address)) == -1) {
 #endif
-    OLA_WARN << "Failed to bind " << endpoint << ", " << strerror(errno);
+    OLA_WARN << "bind(" << endpoint << "): " << strerror(errno);
     return false;
   }
   m_bound_to_port = true;

common/network/TCPConnector.cpp

@@ -85,7 +85,8 @@ TCPConnector::TCPConnectionID TCPConnector::Connect(
     if (errno != EINPROGRESS) {
 #endif
       int error = errno;
-      OLA_WARN << "connect to " << endpoint << " failed, " << strerror(error);
+      OLA_WARN << "connect() to " << endpoint << " returned, "
+               << strerror(error);
       close(sd);
       callback->Run(-1, error);
       return 0;
@@ -169,11 +170,12 @@ void TCPConnector::SocketWritable(PendingTCPConnection *connection) {
 #else
   int r = getsockopt(sd, SOL_SOCKET, SO_ERROR, &error, &len);
 #endif
-  if (r < 0)
+  if (r < 0) {
     error = errno;
+  }
 
   if (error) {
-    OLA_WARN << "Failed to connect to " << connection->ip_address << " error "
+    OLA_WARN << "connect() to " << connection->ip_address << " returned: "
       << strerror(error);
     connection->Close();
     connection->callback->Run(-1, error);

common/network/TCPSocket.cpp

@@ -152,7 +152,7 @@ TCPSocket* TCPSocket::Connect(const SocketAddress &endpoint) {
   int r = connect(sd, &server_address, sizeof(server_address));
 
   if (r) {
-    OLA_WARN << "connect to " << endpoint << " failed, " << strerror(errno);
+    OLA_WARN << "connect(" << endpoint << "): " << strerror(errno);
     return NULL;
   }
   TCPSocket *socket = new TCPSocket(sd);

common/rdm/DiscoveryAgent.cpp

@@ -189,7 +189,7 @@ void DiscoveryAgent::MaybeMuteNextDevice() {
 void DiscoveryAgent::IncrementalMuteComplete(bool status) {
   if (!status) {
     m_uids.RemoveUID(m_muting_uid);
-    OLA_WARN << "Mute of " << m_muting_uid << " failed, device has gone";
+    OLA_WARN << "Unable to mute " << m_muting_uid << ", device has gone";
   } else {
     OLA_DEBUG << "Muted " << m_muting_uid;
   }

common/rdm/PidStoreLoader.cpp

@@ -340,11 +340,11 @@ const Descriptor* PidStoreLoader::FrameFormatToDescriptor(
   }
 
   // we don't give these descriptors names
-  const Descriptor *descriptor =  new Descriptor("", fields);
+  const Descriptor *descriptor = new Descriptor("", fields);
 
   if (validate) {
     if (!m_checker.CheckConsistency(descriptor)) {
-      OLA_WARN << "Frame format failed consistency check!";
+      OLA_WARN << "Invalid frame format";
       delete descriptor;
       return NULL;
     }

common/web/JsonLexer.cpp

@@ -271,7 +271,7 @@ static bool ParseArray(const char **input, JsonParserInterface *parser) {
 
     bool result = ParseTrimmedInput(input, parser);
     if (!result) {
-      OLA_INFO << "input failed";
+      OLA_INFO << "Invalid input";
       return false;
     }
 

plugins/usbpro/DmxTriWidget.cpp

@@ -333,7 +333,7 @@ void DmxTriWidgetImpl::SendDiscoveryAuto() {
   uint8_t command_id = DISCOVER_AUTO_COMMAND_ID;
   if (!SendCommandToTRI(EXTENDED_COMMAND_LABEL, &command_id,
                         sizeof(command_id))) {
-    OLA_WARN << "Failed to begin RDM discovery";
+    OLA_WARN << "Unable to begin RDM discovery";
     RDMDiscoveryCallback *callback = m_discovery_callback;
     m_discovery_callback = NULL;
     RunDiscoveryCallback(callback);
@@ -595,7 +595,7 @@ void DmxTriWidgetImpl::HandleDiscoverStatResponse(uint8_t return_code,
     // These are all fatal
     switch (return_code) {
       case EC_RESPONSE_MUTE:
-        OLA_WARN << "Failed to mute device, aborting discovery";
+        OLA_WARN << "Unable to mute device, aborting discovery";
         break;
       case EC_RESPONSE_DISCOVERY:
         OLA_WARN <<

plugins/usbpro/EnttecUsbProWidget.cpp

@@ -374,7 +374,7 @@ void EnttecPortImpl::HandleRDMTimeout(unsigned int length) {
   } else if (m_mute_callback) {
     MuteDeviceCallback *callback = m_mute_callback;
     m_mute_callback = NULL;
-    OLA_INFO << "Failed to mute device";
+    OLA_INFO << "Unable to mute device";
     callback->Run(false);
   } else if (m_branch_callback) {
     BranchCallback *callback = m_branch_callback;

slp/DATracker.cpp

@@ -257,7 +257,7 @@ bool DATracker::AddressFromURL(const string &url, IPV4Address *address) {
     ok = IPV4Address::FromString(url.substr(m_da_service_prefix.size()),
                                  address);
     if (!ok)
-      OLA_WARN << "Failed to extract IP from "
+      OLA_WARN << "Unable to extract IP from "
                << url.substr(m_da_service_prefix.size());
   } else {
     OLA_WARN << url << " did not start with " << m_da_service_prefix;