PREUN
/bin/sh
if [ $1 -eq 0 ]; then /sbin/service ebtables stop &>/dev/null || : /sbin/chkconfig --del ebtables fi
POSTIN
/bin/sh
/sbin/chkconfig --add ebtables /sbin/ldconfig
POSTUN
/bin/sh
if [ $1 -ge 1 ]; then /sbin/service ebtables condrestart &> /dev/null || : fi /sbin/ldconfig