ucf --three-way /usr/share/nfs-common/conffiles/idmapd.conf /etc/idmapd.conf
ucf --three-way /usr/share/nfs-common/conffiles/nfs-common.default /etc/default/nfs-common
ucf --three-way /usr/share/nfs-common/conffiles/idmapd.conf /etc/idmapd.conf
ucf --three-way /usr/share/nfs-common/conffiles/nfs-common.default /etc/default/nfs-common