set -e
  if [ -f "/etc/dropbear/dropbear_rsa_host_key" ]; then
        rm /etc/dropbear/dropbear_rsa_host_key
  fi
  if [ -f "/etc/dropbear/dropbear_dss_host_key" ]; then
        rm /etc/dropbear/dropbear_dss_host_key
  fi
