diff --git a/adb/adb.h b/adb/adb.h
index 2797f6b..df59aaa 100644
--- a/adb/adb.h
+++ b/adb/adb.h
@@ -139,8 +139,10 @@
 int  init_socket_transport(atransport *t, int s, int port, int local);
 void init_usb_transport(atransport *t, usb_handle *usb, ConnectionState state);
 
+std::string getEmulatorSerialString(int console_port);
 #if ADB_HOST
 atransport* find_emulator_transport_by_adb_port(int adb_port);
+atransport* find_emulator_transport_by_console_port(int console_port);
 #endif
 
 int service_to_fd(const char* name, const atransport* transport);
diff --git a/adb/sysdeps.h b/adb/sysdeps.h
index 3ed589c..ded8214 100644
--- a/adb/sysdeps.h
+++ b/adb/sysdeps.h
@@ -594,7 +594,7 @@
 }
 
 inline int network_loopback_client(int port, int type, std::string* error) {
-  return _fd_set_error_str(socket_loopback_client(port, type), error);
+  return _fd_set_error_str(socket_network_client("localhost", port, type), error);
 }
 
 inline int network_loopback_server(int port, int type, std::string* error) {
diff --git a/adb/transport_local.cpp b/adb/transport_local.cpp
index a94b41e..ea2bf77 100644
--- a/adb/transport_local.cpp
+++ b/adb/transport_local.cpp
@@ -103,7 +103,8 @@
     int fd = -1;
 
 #if ADB_HOST
-    if (find_emulator_transport_by_adb_port(adb_port) != nullptr) {
+    if (find_emulator_transport_by_adb_port(adb_port) != nullptr ||
+        find_emulator_transport_by_console_port(console_port) != nullptr) {
         return -1;
     }
 
@@ -120,7 +121,7 @@
         D("client: connected on remote on fd %d", fd);
         close_on_exec(fd);
         disable_tcp_nagle(fd);
-        std::string serial = android::base::StringPrintf("emulator-%d", console_port);
+        std::string serial = getEmulatorSerialString(console_port);
         if (register_socket_transport(fd, serial.c_str(), adb_port, 1) == 0) {
             return 0;
         }
@@ -431,6 +432,11 @@
     return NULL;
 }
 
+std::string getEmulatorSerialString(int console_port)
+{
+    return android::base::StringPrintf("emulator-%d", console_port);
+}
+
 atransport* find_emulator_transport_by_adb_port(int adb_port)
 {
     std::lock_guard<std::mutex> lock(local_transports_lock);
@@ -438,6 +444,12 @@
     return result;
 }
 
+atransport* find_emulator_transport_by_console_port(int console_port)
+{
+    return find_transport(getEmulatorSerialString(console_port).c_str());
+}
+
+
 /* Only call this function if you already hold local_transports_lock. */
 int get_available_local_transport_index_locked()
 {
diff --git a/libcutils/socket_loopback_client_unix.c b/libcutils/socket_loopback_client_unix.c
index e14cffb..137e369 100644
--- a/libcutils/socket_loopback_client_unix.c
+++ b/libcutils/socket_loopback_client_unix.c
@@ -35,23 +35,6 @@
  */
 int socket_loopback_client(int port, int type)
 {
-    struct sockaddr_in addr;
-    int s;
-
-    memset(&addr, 0, sizeof(addr));
-    addr.sin_family = AF_INET;
-    addr.sin_port = htons(port);
-    addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
-
-    s = socket(AF_INET, type, 0);
-    if(s < 0) return -1;
-
-    if(connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
-        close(s);
-        return -1;
-    }
-
-    return s;
-
+    return socket_network_client("localhost", port, type);
 }
 
diff --git a/logcat/tests/logcat_test.cpp b/logcat/tests/logcat_test.cpp
index 9c9043e..66800b1 100644
--- a/logcat/tests/logcat_test.cpp
+++ b/logcat/tests/logcat_test.cpp
@@ -570,6 +570,14 @@
     EXPECT_EQ(1, signals);
 }
 
+// meant to be handed to ASSERT_FALSE / EXPECT_FALSE to expand the message
+static testing::AssertionResult IsFalse(int ret, const char* command) {
+    return ret ?
+        (testing::AssertionSuccess() <<
+            "ret=" << ret << " command=\"" << command << "\"") :
+        testing::AssertionFailure();
+}
+
 TEST(logcat, logrotate) {
     static const char form[] = "/data/local/tmp/logcat.logrotate.XXXXXX";
     char buf[sizeof(form)];
@@ -581,7 +589,7 @@
     snprintf(command, sizeof(command), comm, buf);
 
     int ret;
-    EXPECT_FALSE((ret = system(command)));
+    EXPECT_FALSE(IsFalse(ret = system(command), command));
     if (!ret) {
         snprintf(command, sizeof(command), "ls -s %s 2>/dev/null", buf);
 
@@ -611,7 +619,7 @@
         }
     }
     snprintf(command, sizeof(command), "rm -rf %s", buf);
-    EXPECT_FALSE(system(command));
+    EXPECT_FALSE(IsFalse(system(command), command));
 }
 
 TEST(logcat, logrotate_suffix) {
@@ -625,7 +633,7 @@
     snprintf(command, sizeof(command), logcat_cmd, tmp_out_dir);
 
     int ret;
-    EXPECT_FALSE((ret = system(command)));
+    EXPECT_FALSE(IsFalse(ret = system(command), command));
     if (!ret) {
         snprintf(command, sizeof(command), "ls %s 2>/dev/null", tmp_out_dir);
 
@@ -664,7 +672,7 @@
         EXPECT_EQ(11, log_file_count);
     }
     snprintf(command, sizeof(command), "rm -rf %s", tmp_out_dir);
-    EXPECT_FALSE(system(command));
+    EXPECT_FALSE(IsFalse(system(command), command));
 }
 
 TEST(logcat, logrotate_continue) {
@@ -679,10 +687,10 @@
     snprintf(command, sizeof(command), logcat_cmd, tmp_out_dir, log_filename);
 
     int ret;
-    EXPECT_FALSE((ret = system(command)));
+    EXPECT_FALSE(IsFalse(ret = system(command), command));
     if (ret) {
         snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-        EXPECT_FALSE(system(command));
+        EXPECT_FALSE(IsFalse(system(command), command));
         return;
     }
     FILE *fp;
@@ -690,7 +698,7 @@
     EXPECT_TRUE(NULL != ((fp = fopen(command, "r"))));
     if (!fp) {
         snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-        EXPECT_FALSE(system(command));
+        EXPECT_FALSE(IsFalse(system(command), command));
         return;
     }
     char *line = NULL;
@@ -714,23 +722,23 @@
     EXPECT_TRUE(NULL != second_last_line);
     if (!second_last_line) {
         snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-        EXPECT_FALSE(system(command));
+        EXPECT_FALSE(IsFalse(system(command), command));
         return;
     }
     // re-run the command, it should only add a few lines more content if it
     // continues where it left off.
     snprintf(command, sizeof(command), logcat_cmd, tmp_out_dir, log_filename);
-    EXPECT_FALSE((ret = system(command)));
+    EXPECT_FALSE(IsFalse(ret = system(command), command));
     if (ret) {
         snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-        EXPECT_FALSE(system(command));
+        EXPECT_FALSE(IsFalse(system(command), command));
         return;
     }
     std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(tmp_out_dir), closedir);
     EXPECT_NE(nullptr, dir);
     if (!dir) {
         snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-        EXPECT_FALSE(system(command));
+        EXPECT_FALSE(IsFalse(system(command), command));
         return;
     }
     struct dirent *entry;
@@ -769,7 +777,7 @@
     free(second_last_line);
 
     snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-    EXPECT_FALSE(system(command));
+    EXPECT_FALSE(IsFalse(system(command), command));
 }
 
 TEST(logcat, logrotate_clear) {
@@ -790,17 +798,17 @@
                  logcat_cmd, tmp_out_dir, log_filename, num_val);
 
         int ret;
-        EXPECT_FALSE((ret = system(command)));
+        EXPECT_FALSE(IsFalse(ret = system(command), command));
         if (ret) {
             snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-            EXPECT_FALSE(system(command));
+            EXPECT_FALSE(IsFalse(system(command), command));
             return;
         }
         std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(tmp_out_dir), closedir);
         EXPECT_NE(nullptr, dir);
         if (!dir) {
             snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-            EXPECT_FALSE(system(command));
+            EXPECT_FALSE(IsFalse(system(command), command));
             return;
         }
         struct dirent *entry;
@@ -819,17 +827,18 @@
         strcat(command, clear_cmd);
 
         int ret;
-        EXPECT_FALSE((ret = system(command)));
+        EXPECT_FALSE(IsFalse(ret = system(command), command));
         if (ret) {
             snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
             EXPECT_FALSE(system(command));
+            EXPECT_FALSE(IsFalse(system(command), command));
             return;
         }
         std::unique_ptr<DIR, decltype(&closedir)> dir(opendir(tmp_out_dir), closedir);
         EXPECT_NE(nullptr, dir);
         if (!dir) {
             snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-            EXPECT_FALSE(system(command));
+            EXPECT_FALSE(IsFalse(system(command), command));
             return;
         }
         struct dirent *entry;
@@ -845,7 +854,7 @@
     }
 
     snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-    EXPECT_FALSE(system(command));
+    EXPECT_FALSE(IsFalse(system(command), command));
 }
 
 static int logrotate_count_id(const char *logcat_cmd, const char *tmp_out_dir) {
@@ -856,7 +865,7 @@
     snprintf(command, sizeof(command), logcat_cmd, tmp_out_dir, log_filename);
 
     int ret;
-    EXPECT_FALSE((ret = system(command)));
+    EXPECT_FALSE(IsFalse(ret = system(command), command));
     if (ret) {
         return -1;
     }
@@ -914,7 +923,7 @@
     static const char cleanup_cmd[] = "rm -rf %s";
     char command[strlen(cleanup_cmd) + strlen(tmp_out_dir_form)];
     snprintf(command, sizeof(command), cleanup_cmd, tmp_out_dir);
-    EXPECT_FALSE(system(command));
+    EXPECT_FALSE(IsFalse(system(command), command));
 }
 
 TEST(logcat, logrotate_nodir) {