When running Ettercap on my network I am now getting that error. I was not receiving the error on BT4. I searched around and haven't found any solutions. Anyone else found one or are having the same problem?
root@bt:~# ettercap -T -q -i eth0 -M arp // //
ettercap NG-0.7.3 copyright 2001-2004 ALoR & NaGA
Listening on eth0... (Ethernet)
eth0 -> 00:1E:33:98:21:72 192.168.0.103 255.255.255.0
Privileges dropped to UID 65534 GID 65534...
SEND L3 ERROR: 1512 byte packet (0800:06) destined to 184.108.40.206 was not forwarded (libnet_write_raw_ipv4(): -1 bytes written (Message too long)
SEND L3 ERROR: 1570 byte packet (0800:06) destined to 192.168.0.102 was not forwarded (libnet_write_raw_ipv4(): -1 bytes written (Message too long)
Closing text interface...
ARP poisoner deactivated.
RE-ARPing the victims...
Unified sniffing was stopped.