[9.100][BUG] WiFi Log filling up after Update

Hello,

after migrating my ASG from 9.0 to 9.100-12 my WiFi Log startet to fill up with thousands of these error messages:


...
2013:05:06-14:53:49 192.168.12.155 kernel: [235606.110000] wlan0: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:53:54 192.168.12.155 kernel: [235611.110000] wlan9: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:53:54 192.168.12.155 kernel: [235611.110000] wlan8: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:53:54 192.168.12.155 kernel: [235611.110000] wlan0: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:53:59 192.168.12.155 kernel: [235616.120000] wlan9: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:53:59 192.168.12.155 kernel: [235616.120000] wlan8: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:53:59 192.168.12.155 kernel: [235616.120000] wlan0: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:04 192.168.12.155 kernel: [235621.120000] wlan9: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:04 192.168.12.155 kernel: [235621.120000] wlan8: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:04 192.168.12.155 kernel: [235621.120000] wlan0: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:09 192.168.12.155 kernel: [235626.120000] wlan9: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:09 192.168.12.155 kernel: [235626.120000] wlan8: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:09 192.168.12.155 kernel: [235626.120000] wlan0: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:14 192.168.12.155 kernel: [235631.130000] wlan9: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:14 192.168.12.155 kernel: [235631.130000] wlan8: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:14 192.168.12.155 kernel: [235631.130000] wlan0: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:19 192.168.12.155 kernel: [235636.130000] wlan9: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:19 192.168.12.155 kernel: [235636.130000] wlan8: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
2013:05:06-14:54:19 192.168.12.155 kernel: [235636.130000] wlan0: dropped frame to 00:b0:52:00:00:01 (unauthorized port)
...



Any suggestions what it could be?

Thanks in advance