When trying to run pacman -Syu today (last -Syu was 2019-10-28), pacman asked to replace some packages with a version coming from nonsystemd (dbus service and binary, elogind, openrc and polkit), but after accepting all of them, it printed "libelogind and systemd-libsystemd are in conflict" (depended on by elogind and dbus-elogind, and systemd-libs-dummy respectively on my machine without upgrading). What is the reason for this conflict and is there a way to solve it?

<pre>
:: Synchronizing package databases...
nonprism is up to date
nonsystemd is up to date
libre is up to date
core is up to date
extra is up to date
community is up to date
pcr-testing is up to date
pcr is up to date
:: Starting full system upgrade...
:: Replace dbus-elogind with nonsystemd/dbus? [Y/n] y
:: Replace dbus-openrc with nonsystemd/dbus? [Y/n] y
:: Replace kmod-openrc with nonsystemd/openrc? [Y/n] y
resolving dependencies...
looking for conflicting packages...
error: unresolvable package conflicts detected
error: failed to prepare transaction (conflicting dependencies)
:: libelogind and systemd-libsystemd are in conflict
</pre>