def genlmsg_hdr(nlh):
return nlmsg_data(nlh)<EOL>
Return reference to Generic Netlink header.

    https://github.com/thom311/libnl/blob/libnl3_2_25/lib/genl/genl.c#L210

    Positional arguments:
    nlh -- Netlink message header (nlmsghdr class instance).

    Returns:
    Reference to Generic Netlink message header.