[SR-Users] NAT ping replies

[Sergey Okhapkin]

Kamailio 3.1 log is filled with lines like

Oct 29 03:32:46 west /usr/local/sbin/kamailio[632]: INFO: <script>: incoming 
reply from udp:188.62.4.186:65333 SIP/2.0 404 Not Found  Via: SIP/2.0/UDP 
204.74.213.5:5060;branch=0  From: <sip:pinger at sip.callwithus.com>;tag=3993f0c  
To: <sip:188.62.4.186:65333>  Call-ID: aff32da5-89ef0136-71dc8c5 at 204.74.213.5  
CSeq: 1 OPTIONS  Content-Length: 0
Oct 29 03:32:46 west /usr/local/sbin/kamailio[632]: INFO: <core> 
[forward.c:774]: broken reply to forward - no 2nd via

Shouldn't replies to NAT ping messages be silently dropped like in 1.4?