logcat -b radio:

E/RILC    (  928): RIL_register: RIL version 9
I/RILC    (  928): libril: new connection
I/RILC    (  928): RIL Daemon version: Qualcomm RIL 1.0


syslog:

Feb 28 01:25:37 ubuntu-phablet ofonod[969]: oFono version 1.12
Feb 28 01:25:37 ubuntu-phablet ofonod[969]: Excluding udev hardware detection
Feb 28 01:25:37 ubuntu-phablet ofonod[969]: Excluding Sim Access Profile Plugins
Feb 28 01:25:37 ubuntu-phablet ofonod[969]: Excluding Hands-Free Profile Plugins
Feb 28 01:25:37 ubuntu-phablet ofonod[969]: Excluding Provisioning Plugin
Feb 28 01:25:37 ubuntu-phablet ofonod[969]: RILDEV detected modem type ril, 1 SIM slot(s)
Feb 28 01:25:37 ubuntu-phablet ofonod[969]: create_ril: can't connect to RILD: Connection refused (111)
Feb 28 01:25:37 ubuntu-phablet ofonod[969]: g_ril_new() failed to create modem!