root@AXP18020:~# klist -ekt
Keytab name: FILE:/etc/krb5.keytab
KVNO Timestamp           Principal
---- ------------------- ------------------------------------------------------
   2 16/11/2018 13:30:13 AXP18020$@EXAMPLE.COM (des-cbc-crc)
   2 16/11/2018 13:30:13 AXP18020$@EXAMPLE.COM (des-cbc-md5)
   2 16/11/2018 13:30:13 AXP18020$@EXAMPLE.COM (arcfour-hmac)
   2 16/11/2018 13:30:13 AXP18020$@EXAMPLE.COM (aes128-cts-hmac-sha1-96)
   2 16/11/2018 13:30:13 host/AXP18020@EXAMPLE.COM (des-cbc-crc)
   2 16/11/2018 13:30:13 host/AXP18020@EXAMPLE.COM (des-cbc-md5)
   2 16/11/2018 13:30:13 host/AXP18020@EXAMPLE.COM (arcfour-hmac)
   2 16/11/2018 13:30:13 host/AXP18020@EXAMPLE.COM (aes128-cts-hmac-sha1-96)
   2 16/11/2018 13:30:13 RestrictedKrbHost/AXP18020@EXAMPLE.COM (des-cbc-crc)
   2 16/11/2018 13:30:13 RestrictedKrbHost/AXP18020@EXAMPLE.COM (des-cbc-md5)
   2 16/11/2018 13:30:13 RestrictedKrbHost/AXP18020@EXAMPLE.COM (arcfour-hmac)
   2 16/11/2018 13:30:13 RestrictedKrbHost/AXP18020@EXAMPLE.COM (aes128-cts-hmac-sha1-96)
   2 16/11/2018 13:30:13 AXP18020$@EXAMPLE.COM (aes256-cts-hmac-sha1-96)
   2 16/11/2018 13:30:13 host/AXP18020@EXAMPLE.COM (aes256-cts-hmac-sha1-96)
   2 16/11/2018 13:30:13 RestrictedKrbHost/AXP18020@EXAMPLE.COM (aes256-cts-hmac-sha1-96)



(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [unpack_buffer] (0x0100): cmd [241] uid [9000] gid [9000] validate [true] enterprise principal [true] offline [false] UPN [prenom.nom@EXAMPLE.FR]
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [unpack_buffer] (0x0100): ccname: [FILE:/tmp/krb5cc_9000_XXXXXX] old_ccname: [not set] keytab: [/etc/krb5.keytab]
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [check_use_fast] (0x0100): Not using FAST.
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [privileged_krb5_setup] (0x0080): Cannot open the PAC responder socket
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [become_user] (0x0200): Trying to become user [9000][9000].
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [set_lifetime_options] (0x0100): No specific renewable lifetime requested.
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [set_lifetime_options] (0x0100): No specific lifetime requested.
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [set_canonicalize_option] (0x0100): Canonicalization is set to [true]
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [validate_tgt] (0x0020): TGT failed verification using key for [AXP18020$@EXAMPLE.COM].
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [get_and_save_tgt] (0x0020): 1732: [-1765328340][Cannot find key for AXP18020$@EXAMPLE.COM kvno 3 in keytab]
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [map_krb5_error] (0x0020): 1808: [-1765328340][Cannot find key for AXP18020$@EXAMPLE.COM kvno 3 in keytab]
(Fri Nov 16 14:59:39 2018) [[sssd[krb5_child[5358]]]] [k5c_send_data] (0x0200): Received error code 1432158209