I am getting flood of following messages.
2015-03-05 13:49:25.766474 [ALERT] switch_rtp.c:875 STUN PACKET TYPE: BINDING_RESPONSE
2015-03-05 13:49:25.766474 [ALERT] switch_rtp.c:878 |---: STUN ATTR INVALID
2015-03-05 13:49:25.926473 [ALERT] switch_rtp.c:1678 sofia/internal/sip:
2002@df7jal23ls0d.invalid audio stat 98.00 2012/2042 flaws: 30 mos: 4.48 v: 23.30 9.52/400.00
2015-03-05 13:49:25.986475 [ALERT] switch_rtp.c:1678 sofia/internal/sip:
2003@df7jal23ls0d.invalid audio stat 99.00 241/242 flaws: 1 mos: 4.49 v: 55.49 10.00/400.00
2015-03-05 13:49:26.146475 [ALERT] switch_rtp.c:1678 sofia/internal/sip:
2002@df7jal23ls0d.invalid audio stat 98.00 2012/2043 flaws: 31 mos: 4.48 v: 23.29 9.52/400.00
2015-03-05 13:49:26.286473 [ALERT] switch_rtp.c:875 STUN PACKET TYPE: BINDING_RESPONSE
2015-03-05 13:49:26.286473 [ALERT] switch_rtp.c:878 |---: STUN ATTR INVALID
2015-03-05 13:49:26.366474 [ALERT] switch_rtp.c:1678 sofia/internal/sip:
2002@df7jal23ls0d.invalid audio stat 98.00 2012/2044 flaws: 32 mos: 4.48 v: 23.28 9.52/400.00
2015-03-05 13:49:26.426473 [ALERT] switch_rtp.c:875 STUN PACKET TYPE: BINDING_RESPONSE
2015-03-05 13:49:26.426473 [ALERT] switch_rtp.c:878 |---: STUN ATTR INVALID
2015-03-05 13:49:26.666475 [ALERT] switch_rtp.c:875 STUN PACKET TYPE: BINDING_RESPONSE
2015-03-05 13:49:26.666475 [ALERT] switch_rtp.c:878 |---: STUN ATTR INVALID
Requesting an insight what could have been causing this.