samba - Oct 2024 - Could not find a suitable mechtype in NEG_TOKEN_INIT error in libsmbclient 4.19.4

> gensec_spnego_client_negTokenInit_step: Could not find a suitable mechtype
> in NEG_TOKEN_INIT
Turns out that this error comes up when gnutls enforces fips mode.
Behaviour of gnutls when fips mode is enabled is different in Centos7 vs
Almalinux 9.4. With updated gnutls, samba fails when fips mode is enabled.
Workaround is to use the GNUTLS_FORCE_FIPS_MODE environment variable to
set/unset fips mode for gnutls. With this turned off, it works fine.

Regards,
Manu