root@R281:/tmp# opkg install luci-app-passwall*.ipk
Unknown package 'luci-app-passwall'.
Collected errors:
* pkg_hash_check_unresolved: cannot find dependency libopenssl3 for shadowsocksr-libev-ssr-local
* pkg_hash_fetch_best_installation_candidate: Packages for shadowsocksr-libev-ssr-local found, but incompatible with the architectures configured
* pkg_hash_check_unresolved: cannot find dependency libopenssl3 for shadowsocksr-libev-ssr-redir
* pkg_hash_fetch_best_installation_candidate: Packages for shadowsocksr-libev-ssr-redir found, but incompatible with the architectures configured
* pkg_hash_check_unresolved: cannot find dependency libopenssl3 for trojan-plus
* pkg_hash_fetch_best_installation_candidate: Packages for trojan-plus found, but incompatible with the architectures configured
* pkg_hash_check_unresolved: cannot find dependency luci-lua-runtime for luci-app-passwall
* pkg_hash_fetch_best_installation_candidate: Packages for luci-app-passwall found, but incompatible with the architectures configured
* opkg_install_cmd: Cannot install package luci-app-passwall.