Log Message:
Summary for 4.4.0 tcpdump release
RPKI-RTR (RFC6810) is now official (TCP Port 323)
Fix detection of OpenSSL libcrypto.
Add DNSSL (RFC6106) support.
Add "radius" as an option for -T.
Update Action codes for handle_action function according to
    802.11s amendment.
Decode DHCPv6 AFTR-Name option (RFC6334).
Updates for Babel.
Fix printing of infinite lifetime in ICMPv6.
Added support for SPB, SPBM Service Identifier, and Unicast
    Address sub-TLV in ISIS.
Decode RIPv2 authentication up to RFC4822.
Fix RIP Request/full table decoding issues.
On Linux systems with cap-ng.h, drop root privileges
    using Linux Capabilities.
Add support for reading multiple files.