need to edit the file /etc/init/tftpd-hpa.conf
comment out the line: start on runlevel[2345]
replace it with: start on (local-filesystems and net-device-up IFACE!=lo)

[SIZE=12px]Save, then: sudo service tftp-dpa restart[/SIZE]

[FONT=Calibri][URL=‘https://bugs.launchpad.net/ubuntu/+source/tftp-hpa/+bug/972845’]https://bugs.launchpad.net/ubuntu/ source/tftp-hpa/ bug/972845[/URL] Comment #9[/FONT]