def nl_cb_overwrite_send(cb, func):
cb.cb_send_ow = func<EOL>
Overwrite internal calls to nl_send().

    https://github.com/thom311/libnl/blob/libnl3_2_25/lib/handlers.c#L395

    Positional arguments:
    cb -- nl_cb class instance.
    func -- replacement callback for nl_send() (a function with args (sk, msg)).