For 1.1.0:
- implement ladvdc verbose decoding
- improve edp TLV handling
- write protocol descriptions
- openbsd netif to pci?
- static functions?
- restrict pointers?
- test multilevel interfaces
- linux ifalias support
- support macosx (package)
- support solaris
- support fdp unknown fields
- SNMP support for LLDP (agentx)
- SNMP support for CDP (CISCO-CDP-MIB agentx)