AC66U in repeater mode system log spam

[bookedirl]

Hello,
My AC66U is set up in repeater mode and I've noticed this in the system log:

Oct  6 17:01:57 smbd[9938]: [2015/10/06 17:01:57, 0] smbd/sesssetup.c:reply_sesssetup_and_X(1265)
Oct  6 17:01:57 smbd[9938]:   reply_sesssetup_and_X:  Rejecting attempt at SPNEGO session setup when it was not negoitiated.
Oct  6 17:59:59 ntp: start NTP update
Oct  6 18:00:44 smbd[12750]: [2015/10/06 18:00:44, 0] smbd/sesssetup.c:reply_sesssetup_and_X(1265)
Oct  6 18:00:44 smbd[12750]:   reply_sesssetup_and_X:  Rejecting attempt at SPNEGO session setup when it was not negoitiated.
Oct  6 18:33:54 smbd[14352]: [2015/10/06 18:33:54, 0] smbd/sesssetup.c:reply_sesssetup_and_X(1265)
Oct  6 18:33:54 smbd[14352]:   reply_sesssetup_and_X:  Rejecting attempt at SPNEGO session setup when it was not negoitiated.
Oct  6 18:47:35 smbd[15658]: [2015/10/06 18:47:35, 0] smbd/sesssetup.c:reply_sesssetup_and_X(1265)
Oct  6 18:47:35 smbd[15658]:   reply_sesssetup_and_X:  Rejecting attempt at SPNEGO session setup when it was not negoitiated.
Oct  6 18:57:38 smbd[16612]: [2015/10/06 18:57:38, 0] smbd/sesssetup.c:reply_sesssetup_and_X(1265)
Oct  6 18:57:38 smbd[16612]:   reply_sesssetup_and_X:  Rejecting attempt at SPNEGO session setup when it was not negoitiated.
Oct  6 19:00:01 ntp: start NTP update
Oct  6 19:02:01 smbd[16951]: [2015/10/06 19:02:01, 0] smbd/sesssetup.c:reply_sesssetup_and_X(1265)
Oct  6 19:02:01 smbd[16951]:   reply_sesssetup_and_X:  Rejecting attempt at SPNEGO session setup when it was not negoitiated.

Currently running the latest beta firmware: 3.0.0.4.378_8671

Can anyone tell me what is happening here?