[8.960][OPEN] PPPoA failing to connect

I use the PPPoA interface type to connect to a PPTP VPN provider, which works fine in V8.

However when trying the same in UTM9 I get:

2012:05:26-00:18:50 plasmashield pppoa-sh: pptpc[7307] PPTP over Ethernet Loop Control Script activated <eth0#REF_IntPppPptp1>
2012:05:26-00:18:50 plasmashield pppoa-sh: pptpc[7307] waiting 10 seconds for mdw filter setup <eth0#REF_IntPppPptp1>
2012:05:26-00:19:05 plasmashield pppoa-sh: pptpc[7307] initiating PPTP connection <eth0#REF_IntPppPptp1>
2012:05:26-00:19:05 plasmashield pppoa-sh: pptpc[7307] waiting 10 sec for ip-up script <eth0#REF_IntPppPptp1>
2012:05:26-00:19:05 plasmashield pppd-pppoa[7358]: pppd 2.4.6 started by (unknown), uid 0
2012:05:26-00:19:05 plasmashield pppd-pppoa[7358]: Couldn't open pty slave /dev/pts/0: No such file or directory
2012:05:26-00:19:05 plasmashield pppd-pppoa[7358]: using channel 9
2012:05:26-00:19:05 plasmashield pppd-pppoa[7358]: Using interface ppp0
2012:05:26-00:19:05 plasmashield pppd-pppoa[7358]: Connect: ppp0 <--> /dev/ttyp0
2012:05:26-00:19:06 plasmashield pppd-pppoa[7358]: sent [LCP ConfReq id=0x1 <mru 1492> <asyncmap 0x0> <magic 0x2e8bc6e5> <pcomp> <accomp>]
2012:05:26-00:19:09 plasmashield pppd-pppoa[7358]: sent [LCP ConfReq id=0x1 <mru 1492> <asyncmap 0x0> <magic 0x2e8bc6e5> <pcomp> <accomp>]
2012:05:26-00:19:12 plasmashield pppd-pppoa[7358]: sent [LCP ConfReq id=0x1 <mru 1492> <asyncmap 0x0> <magic 0x2e8bc6e5> <pcomp> <accomp>]
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] looking for IP info in /var/run/pptp/eth0#REF_IntPppPptp1 <eth0#REF_IntPppPptp1>
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] /var/run/pptp/eth0#REF_IntPppPptp1 not found, check ip-up script <eth0#REF_IntPppPptp1>
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] shutting down pptp connection <eth0#REF_IntPppPptp1> X.X.X.X
2012:05:26-00:19:15 plasmashield pppd-pppoa[7358]: sent [LCP ConfReq id=0x1 <mru 1492> <asyncmap 0x0> <magic 0x2e8bc6e5> <pcomp> <accomp>]
2012:05:26-00:19:15 plasmashield pppd-pppoa[7358]: Terminating on signal 15
2012:05:26-00:19:15 plasmashield pppd-pppoa[7358]: sent [LCP TermReq id=0x2 "User request"]
2012:05:26-00:19:15 plasmashield pppd-pppoa[7358]: Child process /usr/sbin/pptp-current X.X.X.X --nolaunchpppd (pid 7359) terminated with signal 15
2012:05:26-00:19:15 plasmashield pppd-pppoa[7358]: Modem hangup
2012:05:26-00:19:15 plasmashield pppd-pppoa[7358]: Connection terminated.
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] removing UNIX domain socket /var/run/pptp/X.X.X.X <eth0#REF_IntPppPptp1>
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] verifying running processes <eth0#REF_IntPppPptp1>
2012:05:26-00:19:15 plasmashield pppd-pppoa[7358]: Exit.
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] pppd: : call REF_IntPppPptp1 ipparam eth0#REF_IntPppPptp1 failed
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] pptp: call manager or gre-gateway failed
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] one or more processes missing <eth0#REF_IntPppPptp1>
2012:05:26-00:19:15 plasmashield pppoa-sh: pptpc[7307] shutting down pptp connection <eth0#REF_IntPppPptp1> X.X.X.X
2012:05:26-00:19:20 plasmashield pppoa-sh: pptpc[7307] removing UNIX domain socket /var/run/pptp/X.X.X.X <eth0#REF_IntPppPptp1>
2012:05:26-00:19:20 plasmashield pppoa-sh: pptpc[7307] encountered 1 errors so far <eth0#REF_IntPppPptp1>
2012:05:26-00:19:20 plasmashield pppoa-sh: pptpc[7307] connection terminated after 10 sec <eth0#REF_IntPppPptp1>
2012:05:26-00:19:20 plasmashield pppoa-sh: pptpc[7307] connection terminated prematurely <eth0#REF_IntPppPptp1>
2012:05:26-00:19:20 plasmashield pppoa-sh: pptpc[7307] restarting connection in 5 sec <eth0#REF_IntPppPptp1>
2012:05:26-00