After the new firmware update i get this spammed alot in my log:

2015-01-27 22:43:31 [WLAN] QuickDRS: (Down) keep rate-down (L:945, C:1001)
2015-01-27 22:43:23 [WLAN] QuickDRS: (Down) keep rate-down (L:743, C:951)
2015-01-27 22:42:49 [WLAN] QuickDRS: (Down) keep rate-down (L:748, C:1045)
2015-01-27 22:42:37 [WLAN] QuickDRS: (Down) keep rate-down (L:86, C:687)
2015-01-27 22:41:22 [WLAN] QuickDRS: (Down) keep rate-down (L:976, C:1094)
2015-01-27 22:41:10 [WLAN] QuickDRS: (Down) keep rate-down (L:818, C:1160)
2015-01-27 22:41:03 [WLAN] QuickDRS: (Down) keep rate-down (L:883, C:1237)
2015-01-27 22:40:58 [WLAN] QuickDRS: (Down) keep rate-down (L:676, C:922)

What does this mean?