Hello,I have WLC 2500 with 6 AP updated LWAPPsince Jan, 2014, there were 2 APs frequency made following message in log of WLC:May  5 00:24:46 x.x.x.x kernel: wlc-2504: *spamApTask5: May 05 00:24:46.647: #LWAPP-4-DATA_PLANE_ECHO: spam_lrad.c:31095 AP ...