Comment 4 for bug 1320658

I hit the same problem on Ubuntu 14.04
 uname -a
Linux yoda 3.13.0-24-generic #47-Ubuntu SMP Fri May 2 23:30:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux

handling gssd upcall (/run/rpc_pipefs/nfs/clnt12)
handle_gssd_upcall: 'mech=krb5 uid=0 enctypes=18,17,16,23,3,1,2 '
handling krb5 upcall (/run/rpc_pipefs/nfs/clnt12)
process_krb5_upcall: service is '<null>'
Full hostname for 'eta.nat.c.sdu.dk' is 'eta.nat.c.sdu.dk'
Full hostname for 'yoda.nat.c.sdu.dk' is 'yoda.nat.c.sdu.dk'
Success getting keytab entry for 'YODA$@'
INFO: Credentials in CC 'FILE:/tmp/krb5ccmachine_NAT.C.SDU.DK' are good until 1404348760
INFO: Credentials in CC 'FILE:/tmp/krb5ccmachine_NAT.C.SDU.DK' are good until 1404348760
using FILE:/tmp/krb5ccmachine_NAT.C.SDU.DK as credentials cache for machine creds
using environment variable to select krb5 ccache FILE:/tmp/krb5ccmachine_NAT.C.SDU.DK
creating context using fsuid 0 (save_uid 0)
creating tcp client for server eta.nat.c.sdu.dk
DEBUG: port already set to 2049
creating context with server <email address hidden>
DEBUG: serialize_krb5_ctx: lucid version!
prepare_krb5_rfc4121_buffer: protocol 1
prepare_krb5_rfc4121_buffer: serializing key with enctype 18 and size 32
ERROR: GSS-API: error in gss_free_lucid_sec_context(): GSS_S_NO_CONTEXT (No context has been established) - Unknown error
WARN: failed to free lucid sec context
doing downcall lifetime_rec 36000
destroying client /run/rpc_pipefs/nfs/clnt13
Closing 'gssd' pipe for /run/rpc_pipefs/nfs/clnt12
destroying client /run/rpc_pipefs/nfs/clnt12