def nlmsg_hdr(msg):
return msg.nm_nlh<EOL>
Return actual Netlink message.

    https://github.com/thom311/libnl/blob/libnl3_2_25/lib/msg.c#L536

    Returns the actual Netlink message casted to a nlmsghdr class instance.

    Positional arguments:
    msg -- Netlink message (nl_msg class instance).

    Returns:
    nlmsghdr class instance.