setupBindmounts() {
  mount -o bind /proc $BROOT_BUILDROOT_PATH/proc
  mount -t devtmpfs dev $BROOT_BUILDROOT_PATH/dev
  chroot $BROOT_BUILDROOT_PATH mount -t devpts devpts /dev/pts
}

destroyBindmounts() {
  umount $BROOT_BUILDROOT_PATH/proc
  umount $BROOT_BUILDROOT_PATH/dev/pts
  umount $BROOT_BUILDROOT_PATH/dev
  umount /tmp/deb
}