'Expects to find a
\'<state state="open" reason="syn-ack" reason_ttl="0"/>\' in the node.
@return (state, reason, reason_ttl) or (\'unknown\',\'unknown\',\'unknown\')'

def get_state(self):

    state = self.get_attrib_from_subnode('state', 'state')
    reason = self.get_attrib_from_subnode('state', 'reason')
    reason_ttl = self.get_attrib_from_subnode('state', 'reason_ttl')
    return ((state if state else 'unknown'), (reason if reason else 'unknown'), (reason_ttl if reason_ttl else 'unknown'))
