Netconnectd can't start up AccessPoint: Exception

[andywerner]

This happens sometime. I discovered it after having the RaspberryPi connected to a wifi and the trying to switch back to AP mode. I think a reboot solves this.

/var/log/netconnectd.log

2017-01-23 14:09:22,384 - netconnectd.server - ERROR - Got an error while processing message from client, aborting
Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/netconnectd-netconnectd-py2.7.egg/netconnectd/server.py", line 188, in _socket_monitor
    ret, result = callbacks[message.cmd](message)
  File "/usr/local/lib/python2.7/dist-packages/netconnectd-netconnectd-py2.7.egg/netconnectd/server.py", line 452, in on_start_ap_message
    self.start_ap()
  File "/usr/local/lib/python2.7/dist-packages/netconnectd-netconnectd-py2.7.egg/netconnectd/server.py", line 272, in start_ap
    self.access_point.activate()
  File "build/bdist.linux-armv7l/egg/wifi/ap.py", line 692, in activate
    self.hostapd.activate()
  File "build/bdist.linux-armv7l/egg/wifi/ap.py", line 108, in activate
    raise e
CalledProcessError: Command '['/usr/sbin/hostapd', '-dd', '-B', '/etc/netconnectd.conf.d/hostapd/netconnectd_ap.conf']' returned non-zero exit status 1
2017-01-23 14:09:22,391 - netconnectd.server - INFO - Waiting for connection on socket...