userdb prefetch: Userdb lookups shouldn't log the "passdb didn't return userdb entries" since there was no passdb lookup at all. But log it anyway when auth_debug=yes.
userdb prefetch: Userdb lookups shouldn't log the "passdb didn't return
userdb entries" since there was no passdb lookup at all. But log it anyway
when auth_debug=yes.

Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot,Distrotech/dovecot