[Spce-user] Kamailio-Proxy - sip udp_send failed

[Danny Cappellari]

Good morning, we're using SIPWISE 11.1.1

In /var/log/ngcp/kamailio-proxy.log, we see many errors like this:

Aug 20 09:38:44.685185 sbc1 proxy[2016]: ERROR: <core> [core/udp_server.c:810]: udp_send(): sendto(sock, buf: 0x7fe2df70fea0, len: 338, 0, dst: (x.xxx.xxx.xx:5060), tolen: 16) - err: Invalid argument (22)
Aug 20 09:38:44.685212 sbc1 proxy[2016]: CRITICAL: <core> [core/udp_server.c:817]: udp_send(): invalid sendtoparameters#012one possible reason is the server is bound to localhost and#012attempts to send to the net
Aug 20 09:38:44.685225 sbc1 proxy[2016]: ERROR: nathelper [nathelper.c:2431]: nh_timer(): sip udp_send failed

What are they due to?
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