Unable to build prerequisite module: Socket6 (0) Unable to build prerequisite module: Net-Write (1.00) Unable to build prerequisite module: Net-Libdnet (0) Unable to build prerequisite module: Bit-Vector (0) Unable to build prerequisite module: Net-Pcap (0.12) Unable to build prerequisite module: Class-Gomor (1.00) Net-Packet could not be built due to the above failed prerequisites.