Subclasses may need to know which IP families were used for the setup so they can return the correct IP configuration. We can't just use the MMBearer default_ip_family becuase that isn't the family that was actually used during the connection.
Subclasses may need to know which IP families were used for the setup so they can return the correct IP configuration. We can't just use the MMBearer default_ip_family becuase that isn't the family that was actually used during the connection.