diff --git a/conman/connection_manager.py b/conman/connection_manager.py
index a312b2c..91f189d 100755
--- a/conman/connection_manager.py
+++ b/conman/connection_manager.py
@@ -488,14 +488,15 @@
         logging.debug('Unable to join WLAN on %s', wifi.name)
         self._status.connected_to_wlan = False
         if self.acs():
-          logging.debug('Connected to ACS on %s', wifi.name)
+          logging.debug('Connected to ACS')
           if self._try_to_upload_logs:
             self._try_upload_logs()
             self._try_to_upload_logs = False
 
-          wifi.last_successful_bss_info = getattr(wifi,
-                                                  'last_attempted_bss_info',
-                                                  None)
+          if wifi.acs():
+            wifi.last_successful_bss_info = getattr(wifi,
+                                                    'last_attempted_bss_info',
+                                                    None)
           now = time.time()
           if (self._wlan_configuration and
               hasattr(wifi, 'waiting_for_acs_since')):
@@ -517,7 +518,7 @@
         # If we didn't manage to join the WLAN and we don't have an ACS
         # connection, we should try to establish one.
         else:
-          logging.debug('Not connected to ACS on %s', wifi.name)
+          logging.debug('Not connected to ACS')
           self._try_next_bssid(wifi)
 
     time.sleep(max(0, self._run_duration_s - (time.time() - start_time)))
diff --git a/conman/interface.py b/conman/interface.py
index 1b77b18..653f407 100755
--- a/conman/interface.py
+++ b/conman/interface.py
@@ -379,14 +379,17 @@
       return True
 
     socket = os.path.join(path, self.name)
+    logging.debug('%s socket is %s', self.name, socket)
     try:
       self._wpa_control = self.get_wpa_control(socket)
       self._wpa_control.attach()
+      logging.debug('%s successfully attached', self.name)
     except wpactrl.error as e:
       logging.error('Error attaching to wpa_supplicant: %s', e)
       return False
 
     status = self.wpa_status()
+    logging.debug('%s status after attaching is %s', self.name, status)
     self.wpa_supplicant = status.get('wpa_state') == 'COMPLETED'
     if not self._initialized:
       self.initial_ssid = status.get('ssid')
@@ -403,17 +406,21 @@
     status = {}
 
     if self._wpa_control and self._wpa_control.attached:
+      logging.debug('%s ctrl_iface_path %s',
+                    self, self._wpa_control.ctrl_iface_path)
       lines = []
       try:
         lines = self._wpa_control.request('STATUS').splitlines()
-      except wpactrl.error:
-        logging.error('wpa_control STATUS request failed')
+      except wpactrl.error as e:
+        logging.error('wpa_control STATUS request failed %s args %s',
+                      e.message, e.args)
       for line in lines:
         if '=' not in line:
           continue
         k, v = line.strip().split('=', 1)
         status[k] = v
 
+    logging.debug('%s wpa status is %s', self.name, status)
     return status
 
   def get_wpa_control(self, socket):
@@ -468,7 +475,7 @@
   WIFIINFO_PATH = '/tmp/wifi/wifiinfo'
 
   def __init__(self, socket):
-    self._interface = os.path.split(socket)[-1]
+    self.ctrl_iface_path, self._interface = os.path.split(socket)
 
     # State from QCSAPI and wifi_files.
     self._client_mode = False
diff --git a/conman/interface_test.py b/conman/interface_test.py
index 5b9d431..fb0bb82 100755
--- a/conman/interface_test.py
+++ b/conman/interface_test.py
@@ -114,6 +114,10 @@
     else:
       raise ValueError('Invalid request_type %s' % request_type)
 
+  @property
+  def ctrl_iface_path(self):
+    return os.path.split(self._socket)[0]
+
   # Below methods are not part of WPACtrl.
 
   def add_event(self, event):