This is my variation on what seems to be a frequent issue. Ubuntu groovy, abrmd installed with apt.
** (tpm2-abrmd:2275): CRITICAL **: 14:38:22.835: Failed to acquire DBus name com.intel.tss2.Tabrmd. UID 1000 must be allowed to "own" this name. Check DBus config and check that this is running as user tss or root.
My tpm2-abrmd.conf was edited to add:
Ken Goldman firstname.lastname@example.org