postinst script gives me following warnings:

LANG=C dpkg-reconfigure binfmt-support
Disabling additional executable binary formats: binfmt-support.
update-binfmts: warning: current package is mono-runtime , but binary format
already installed by mono-common
update-binfmts: warning: current package is ia32-sun-java6, but binary
format
already installed by openjdk-6
insserv: warning: current stop runlevel(s) (0 1 6) of script `ntp'
overwrites defaults (empty).
Enabling additional executable binary formats: binfmt-support.