Any TPM2 command kills the tpm2-abrmd service, ending it with an Exit 74.

# Start the service from the command line:
# sudo -u tss G_MESSAGES_DEBUG=all /usr/sbin/tpm2-abrmd

# Execute a tpm2 command
# tpm2_startup -c

** (process:1277): WARNING **: 14:54:45.022: Failed to create connection with
service: GDBus.Error:org.freedesktop.DBus.Error.NoReply: Message recipient
disconnected from message bus without replying
WARNING:tcti:src/tss2-tcti/tctildr.c:79:tcti_from_init() TCTI init for function
0x7fab3188edb0 failed with a0008 
WARNING:tcti:src/tss2-tcti/tctildr.c:109:tcti_from_info() Could not initialize
TCTI named: tcti-abrmd 
ERROR:tcti:src/tss2-tcti/tctildr-dl.c:154:tcti_from_file() Could not initialize
TCTI file: libtss2-tcti-tabrmd.so.0 


The log from the tpm2-abrmd:

** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: Creating connection with id:
0x9093846a53943695
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: handle_map_new with handle_type
0x80, max_entries: 0x1b
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: handle_map_init
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: handle_map_set_property:
max-entries: 27
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: connection_class_init
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: connection_set_property
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: connection_set_property: set id to
0x9093846a53943695
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: connection_set_property
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: connection_set_property: set socket
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: connection_set_property
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: connection_set_property: set
transient_handle_map
** (tpm2-abrmd:1265): DEBUG: 14:54:45.009: Created connection with client FD: 9
and id: 0x9093846a53943695
** INFO: 14:54:45.009: command_source_on_new_connection: adding new connection
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: command_source_on_input_ready
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: read_data: reading 10 bytes from
istream
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: read produced EOF
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: read_tpm_buffer_alloc: err_out
freeing buffer
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: command_source_on_input_ready:
removing connection from connection_manager
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: connection_manager_remove: removing
Connection
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: sink_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: resource_manager_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: message_queue_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: command_source_on_input_ready:
removing GCancellable
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: resource_manager_thread:
message_queue_dequeue got obj
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: resource_manager_process_control
** (tpm2-abrmd:1265): DEBUG: 14:54:45.011: resource_manager_process_control:
received CONNECTION_REMOVED message for connection
** INFO: 14:54:45.011: resource_manager_remove_connection: flushing session
contexts
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: resource_manager_remove_connection:
done
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: sink_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: response_sink_enqueue:
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: message_queue_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: message_queue_dequeue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: response_sink_process_control
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: response_sink_process_control:
Received CONNECTION_REMOVED message, nothing to do.
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: handle_map_finalize
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: response_sink_thread: blocking on
input queue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.012: message_queue_dequeue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.013: on_name_lost: com.intel.tss2.Tabrmd
** INFO: 14:54:45.013: main_loop_quit
** INFO: 14:54:45.013: g_main_loop_run done, cleaning up
** (tpm2-abrmd:1265): DEBUG: 14:54:45.014: gmain_data_cleanup
** (tpm2-abrmd:1265): DEBUG: 14:54:45.014: command_attrs_finalize
** (tpm2-abrmd:1265): DEBUG: 14:54:45.014: resource_manager_unblock: enqueuing
ControlMessage
** (tpm2-abrmd:1265): DEBUG: 14:54:45.014: message_queue_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: resource_manager_thread:
message_queue_dequeue got obj
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: resource_manager_process_control
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: sink_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: response_sink_enqueue:
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: message_queue_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: response_sink_process_control
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: response_sink_process_control:
Received CHECK_CANCEL control code, terminating.
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: resource_manager_dispose
** (tpm2-abrmd:1265): DEBUG: 14:54:45.015: session_list_dispose: SessionList
with 0 entries
** (tpm2-abrmd:1265): DEBUG: 14:54:45.016: session_list_finalize: SessionList
with 0 entries
** (tpm2-abrmd:1265): DEBUG: 14:54:45.016: message_queue_enqueue
** (tpm2-abrmd:1265): DEBUG: 14:54:45.016: ipc_frontend_disconnect
** (tpm2-abrmd:1265): DEBUG: 14:54:45.017: random_finalize
** INFO: 14:54:45.017: main_loop_quit

[1]+  Exit 74                 sudo -u tss G_MESSAGES_DEBUG=all
/usr/sbin/tpm2-abrmd


I think that all the TCTI relevant packages are installed:

# zypper se -i tcti
Loading repository data...
Reading installed packages...

S  | Name                 | Summary                                            
      | Type
---+----------------------+-----------------------------------------------------------+--------
i  | libtss2-tcti-device0 | TCTI interface library for using a native TPM
device node | package
i+ | libtss2-tcti-tabrmd0 | Client interface library for tpm2-abrmd            
      | package
i  | libtss2-tctildr0     | TCTI interface loading library                     
      | package