Unknown package 'unbound'.
Installing odhcpd (2019-12-16-e53fec89-3) to root...
Downloading http://downloads.openwrt.org/releases/19.07.2/packages/mips_24kc/base/odhcpd_2019-12-16-e53fec89-3_mips_24kc.ipk
Package unbound-control (1.9.6-3) installed in root is up to date.
Collected errors:
* opkg_install_cmd: Cannot install package unbound.
* check_data_file_clashes: Package odhcpd wants to install file /etc/init.d/odhcpd
But that file is already provided by package * odhcpd-ipv6only
* check_data_file_clashes: Package odhcpd wants to install file /usr/sbin/odhcpd
But that file is already provided by package * odhcpd-ipv6only
* check_data_file_clashes: Package odhcpd wants to install file /usr/sbin/odhcpd-update
But that file is already provided by package * odhcpd-ipv6only
* opkg_install_cmd: Cannot install package odhcpd