Create a virtual server

    CLI Examples:

    .. code-block:: bash

        salt-run f5.create_vs lbalancer vs_name 10.0.0.1 80 tcp http poolname

def create_vs(lb, name, ip, port, protocol, profile, pool_name):
    '''
    Create a virtual server

    CLI Examples:

    .. code-block:: bash

        salt-run f5.create_vs lbalancer vs_name 10.0.0.1 80 tcp http poolname
    '''
    if __opts__['load_balancers'].get(lb, None):
        (username, password) = list(__opts__['load_balancers'][lb].values())
    else:
        raise Exception('Unable to find `{0}` load balancer'.format(lb))

    F5 = F5Mgmt(lb, username, password)
    F5.create_vs(name, ip, port, protocol, profile, pool_name)
    return True