Hi,

I have trouble using the python flow fetcher. I can successfully fetch
flows as long as the request doesn't contain uint32_t types on fields,
i.e. nw_src or nw_dst. No matter what values I use, only the first two
bytes will be non-zero. For example, if I construct the request like
this:

Flow_stats_request = {"dpid":  dpid_int, "match": {"in_port": inport,
"nw_dst": ipstr_to_int("192.168.1.2"), "dl_type": 0x800}}

with wireshark I can see flow fetcher sending Stats Request with nw_dst
1.2.0.0. It would seem that some bit shifting is going on, although I'm
not sure if I'm using the flow fetcher correctly.

Can someone please tell me how to get it working properly or suggest how
I can fix it if it's a bug? Thanks.

-Tapio
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