Interestingly, nethogs 0.8.0 works for me with 64 bit Ubuntu 14.04 running "3.13.0-77-generic #121-Ubuntu" kernel, however, fails to start on Ubuntu 14.04 running "3.13.0-86-generic #130-Ubuntu" kernel (64 bit).
# nethogs eth0
creating socket failed while establishing local IP - are you root?
Interestingly, nethogs 0.8.0 works for me with 64 bit Ubuntu 14.04 running "3.13.0-77-generic #121-Ubuntu" kernel, however, fails to start on Ubuntu 14.04 running "3.13.0-86-generic #130-Ubuntu" kernel (64 bit).
# nethogs eth0
creating socket failed while establishing local IP - are you root?