After trying to roll forward again I saw the output from ldconfig
/lib/x86_64-linux-gnu/libseccomp.so.2.2.0 is not a symbolic link
Looks like I had duplicate versions of libseccomp2 lying around on my LD_LIBRARY_PATH
dpkg -L libseccomp2
/usr/lib/x86_64-linux-gnu/libseccomp.so.2.4.3
So I deleted the ones in /lib/ and then upgraded systemd to the latest version.
After trying to roll forward again I saw the output from ldconfig
/lib/x86_ 64-linux- gnu/libseccomp. so.2.2. 0 is not a symbolic link
Looks like I had duplicate versions of libseccomp2 lying around on my LD_LIBRARY_PATH
dpkg -L libseccomp2
/usr/lib/ x86_64- linux-gnu/ libseccomp. so.2.4. 3
So I deleted the ones in /lib/ and then upgraded systemd to the latest version.