Have you tried adding
NetworkInterfaceBlacklist=eth0,ppp0
Configuring eth0 through a couple of lines in /etc/network/interfaces and using the pptp client as in your other post should then work as connman SHOULD at that point just sit there idling.
Have you tried adding
NetworkInterfaceBlacklist=eth0,ppp0
Configuring eth0 through a couple of lines in /etc/network/interfaces and using the pptp client as in your other post should then work as connman SHOULD at that point just sit there idling.