def ip_in_list(ip, l):
    for c in l:
        if cidr_overlap(ip, c):
            return True
    return False
SSH-config derived user should NOT override host-string user value
dataset/ETHPy150Open securitykiss-com/rfw/rfw/iputil.py/ip_in_list--crossover with--dataset/ETHPy150Open fabric/fabric/tests/test_network.py/TestSSHConfig.test_user_vs_host_string_value