Here's what i did, can someone help how to get systemd back to the correct version so OMV can upgrade? Think this may have happened after I installed glances.
The following packages have been kept back:
openmediavault
Code
$sudo apt install --only-upgrade openmediavault
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libnss-systemd : Depends: systemd (= 247.3-7+deb11u1) but 251.3-1~bpo11+1 is to be installed
E: Unable to correct problems, you have held broken packages.$dpkg -l | grep systemd
Code
ii libsystemd-shared:amd64 251.3-1~bpo11+1 amd64 systemd shared private library
ii libsystemd0:amd64 251.3-1~bpo11+1 amd64 systemd utility library
ii python3-systemd 234-3+b4 amd64 Python 3 bindings for systemd
ii systemd 251.3-1~bpo11+1 amd64 system and service manager
ii systemd-sysv 251.3-1~bpo11+1 amd64 system and service manager - SysV links