[SR-Users] 478/sl and 478/sm on BYE?

I am getting these both when one end of the client sends a BYE - after the other client has already sent a BYE and got a 200 back. Config: http://pastebin.com/5gcFpJ3m /usr/local/sbin/kamailio[3259]: INFO: <script>: Request in RELAY - call is {<null>} for {1070} /usr/local/sbin/kamailio[3259]: INFO: <script>: sip:1070@df7jal23ls0d.invalid /usr/local/sbin/kamailio[3259]: ERROR: <core> [resolve.c:1726]: sip_hostport2su(): could not resolve hostname: "df7jal23ls0d.invalid" /usr/local/sbin/kamailio[3259]: ERROR: <core> [forward.c:531]: forward_request(): bad host name df7jal23ls0d.invalid, dropping packet /usr/local/sbin/kamailio[3259]: ERROR: sl [sl_funcs.c:387]: sl_reply_error(): ERROR: sl_reply_error used: Unresolvable destination (478/SL)