Errors

use_warnings

NetPacket, NetPacket::ARP, NetPacket::Ethernet, NetPacket::ICMP, NetPacket::IGMP, NetPacket::IP, NetPacket::TCP, NetPacket::UDP, NetPacket::USBMon

valid_signature

Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Sun 01 Dec 2013 01:40:26 AM JST
gpg:                using DSA key DF81F07FE1B00B8C
gpg: Can't check signature: No public key