If the following error occurs when you start the key_mgmt_tool command, please check the hsm_proxy startup log.
Cfm3Initialize() returned app id : 01000000
session_handle 1000000
Cfm3GetPartitionInfo returned: 0x40000040
LIQUIDSECURITY: Daemon socket connection error
If the e2e_handle_client_request:HSM FIPS STATE 2
message appears, it indicates that the HSM instance is connected.