no usable keytab entry found in keytab /etc/krb5.keytab for connection with host localhost

[nin0-0]

ocp 4.12
csi driver v2.4.0

We're seeing in NFS pods (which are working btw):

05/03/2024 16:56:11 : epoch 65e74eab : hpe-nfs-7d14f9d1-d7e5-49f2-9a20-41cc3ad5f1bb-57bfdcb894-jtplw : ganesha.nfsd-1[main] SetComponentLogLevel :LOG :NULL :LOG: Changing log level of COMPONENT_NFS_MSK from NIV_EVENT to NIV_WARN
05/03/2024 16:56:11 : epoch 65e74eab : hpe-nfs-7d14f9d1-d7e5-49f2-9a20-41cc3ad5f1bb-57bfdcb894-jtplw : ganesha.nfsd-1[main] nfs_Init_svc :DISP :CRIT :Cannot acquire credentials for principal nfs
05/03/2024 16:56:11 : epoch 65e74eab : hpe-nfs-7d14f9d1-d7e5-49f2-9a20-41cc3ad5f1bb-57bfdcb894-jtplw : ganesha.nfsd-1[main] find_keytab_entry :NFS CB :WARN :Configuration file does not specify default realm while getting default realm name
05/03/2024 16:56:11 : epoch 65e74eab : hpe-nfs-7d14f9d1-d7e5-49f2-9a20-41cc3ad5f1bb-57bfdcb894-jtplw : ganesha.nfsd-1[main] gssd_refresh_krb5_machine_credential :NFS CB :CRIT :ERROR: gssd_refresh_krb5_machine_credential: no usable keytab entry found in keytab /etc/krb5.keytab for connection with host localhost
05/03/2024 16:56:11 : epoch 65e74eab : hpe-nfs-7d14f9d1-d7e5-49f2-9a20-41cc3ad5f1bb-57bfdcb894-jtplw : ganesha.nfsd-1[main] nfs_rpc_cb_init_ccache :NFS STARTUP :WARN :gssd_refresh_krb5_machine_credential failed (-1765328160:2)

Can we ignore? It's the crit / error that's worrying me.