'Make sure the SG does not contain 10.0.0.0/8'

def check_securitygroup_10net(self, sg_item):

    tag = 'Security    Group    contains    10.0.0.0/8'
    severity = 5
    if sg_item.config.get('vpc_id', None):
        return
    multiplier = _check_empty_security_group(sg_item)
    for rule in sg_item.config.get('rules', []):
        cidr = rule.get('cidr_ip')
        if ('10.0.0.0/8' == cidr):
            notes = '{}    on    {}'.format(cidr, self._port_for_rule(rule))
            self.add_issue((severity * multiplier), tag, sg_item, notes=notes)
