Comment 2 for bug 989329

Preparing to replace irqbalance 0.56-1ubuntu3 (using .../irqbalance_0.56-1ubuntu4_i386.deb) ...
invoke-rc.d: unknown initscript, /etc/init.d/irqbalance not found.
dpkg: warning: subprocess old pre-removal script returned error exit status 100
dpkg - trying script from the new package instead ...
invoke-rc.d: unknown initscript, /etc/init.d/irqbalance not found.
dpkg: error processing /var/cache/apt/archives/irqbalance_0.56-1ubuntu4_i386.deb (--unpack):
 subprocess new pre-removal script returned error exit status 100
No apport report written because MaxReports is reached already
                                                              invoke-rc.d: unknown initscript, /etc/init.d/irqbalance not found.