[OpenSER-Users] null socket list

I have openser-1.3.1-notls installed although am unable to start openser. Any suggestions/ideas regarding the below error? Any existing docs/links would be great. Thanks /// Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.138.86.56 Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.138.87.100 Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.37.129.2 Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.211.55.2 Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.138.86.56 Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.138.87.100 Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.37.129.2 Mar 20 08:59:14 [18124] WARNING:core:fix_socket_list: could not rev. resolve 10.211.55.2 Listening on udp: 127.0.0.1 [127.0.0.1]:5060 udp: 10.138.86.56 [10.138.86.56]:5060 udp: 10.138.87.100 [10.138.87.100]:5060 udp: 10.37.129.2 [10.37.129.2]:5060 udp: 10.211.55.2 [10.211.55.2]:5060 tcp: 127.0.0.1 [127.0.0.1]:5060 tcp: 10.138.86.56 [10.138.86.56]:5060 tcp: 10.138.87.100 [10.138.87.100]:5060 tcp: 10.37.129.2 [10.37.129.2]:5060 tcp: 10.211.55.2 [10.211.55.2]:5060 Aliases: tcp: my.machine.name:5060 udp: my.machine.name:5060 Mar 20 08:59:14 [18124] WARNING:core:main: no fork mode and more than one listen address found(will use only the first one) Mar 20 08:59:14 [18124] INFO:core:init_tcp: using kqueue as the TCP io watch method (auto detected) Mar 20 08:59:14 [18124] NOTICE:core:main: version: openser 1.3.1-notls (i386/darwin) Mar 20 08:59:14 [18124] INFO:core:main: using 32 Mb shared memory Mar 20 08:59:14 [18124] INFO:core:main: using 1 Mb private memory per process Mar 20 08:59:14 [18124] INFO:sl:mod_init: Initializing StateLess engine Mar 20 08:59:14 [18124] INFO:tm:mod_init: TM - initializing... Mar 20 08:59:14 [18124] CRITICAL:tm:uac_init: null socket list Mar 20 08:59:14 [18124] ERROR:tm:mod_init: uac_init failed Mar 20 08:59:14 [18124] ERROR:core:init_mod: failed to initialize module tm Mar 20 08:59:14 [18124] ERROR:core:main: error while initializing modules