[packet] move Cstruct.buf pretty printer to operators.ml
[dhcp] more complete demux example and DHCP handling
[print] remove dead demux code
[dhcp4] tidy up printers
[print] not verbose
[dhcp4] rename to Dhcp4 from Dhcp
[dhcp4] fixup after module rename
[arp] add first cut at ARP parsing
[packet] add DROP type
[demux] restructure to enable overriding (strict layering for now)
[flows] begin simple flow state tracker
[print] fixup to new demux structure
[demux] comment
[packet] abbreviate DATA printing if non-verbose
[print] add simple filtering example
[flows] comments; start flow counting with minimal demux
[icmp] rudimentary ICMP parsing
[ip4] layout
[flows] simple TCP flow (4-tuple) packet-per-flow counter