$ sudo dnf downgrade --allowerasing plasma-breeze plasma-breeze-common plasma-desktop plasma-desktop-doc plasma-milou plasma-nm plasma-nm-mobile plasma-nm-openconnect plasma-nm-openvpn plasma-nm-pptp plasma-nm-strongswan plasma-nm-vpnc plasma-systemsettings plasma-workspace plasma-workspace-common plasma-workspace-drkonqi plasma-workspace-geolocation plasma-workspace-geolocation-libs plasma-workspace-libs
Last metadata expiration check performed 0:23:27 ago on Tue Nov 17 08:06:22 2015.
Package plasma-desktop-doc of lowest version already installed, cannot downgrade it.
No match for available package: plasma-nm-mobile-5.3.0-1.fc22.x86_64
No match for available package: plasma-nm-mobile-5.4.3-1.fc22.x86_64
No match for available package: plasma-nm-strongswan-5.3.0-1.fc22.x86_64
No match for available package: plasma-nm-strongswan-5.4.3-1.fc22.x86_64
Error: package plasma-workspace-5.4.3-1.fc22.x86_64 requires plasmashell >= 5.4, but none of the providers can be installed
Regards,
Sudhir Khanger,
sudhirkhanger.com.