ReadyNas 104 - Network overrun errors

Hi,

I have a ReadyNAS 104 running at firmware v 6.7.4 and I have recently started noticing the following errors when running journalctl:

Jun 16 13:59:39 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=640
Jun 16 14:03:37 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=512
Jun 16 14:05:18 GlassNib-NAS clamd[3759]: SelfCheck: Database status OK.
Jun 16 14:05:18 GlassNib-NAS clamd[3759]: SelfCheck: Database status OK.
Jun 16 14:09:01 GlassNib-NAS CRON[5274]: pam_unix(cron:session): session opened for user root by (uid=0)
Jun 16 14:09:01 GlassNib-NAS CRON[5278]: (root) CMD (  [ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean)
Jun 16 14:09:05 GlassNib-NAS CRON[5274]: pam_unix(cron:session): session closed for user root
Jun 16 14:11:49 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=512
Jun 16 14:15:18 GlassNib-NAS clamd[3759]: SelfCheck: Database status OK.
Jun 16 14:15:18 GlassNib-NAS clamd[3759]: SelfCheck: Database status OK.
Jun 16 14:16:12 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=448
Jun 16 14:16:12 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:16:12 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1152
Jun 16 14:16:14 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=512
Jun 16 14:16:16 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:16:34 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=512
Jun 16 14:16:42 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=144
Jun 16 14:16:47 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:16:47 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:01 GlassNib-NAS CRON[5337]: pam_unix(cron:session): session opened for user root by (uid=0)
Jun 16 14:17:01 GlassNib-NAS CRON[5341]: (root) CMD (   cd / && run-parts --report /etc/cron.hourly)
Jun 16 14:17:02 GlassNib-NAS CRON[5337]: pam_unix(cron:session): session closed for user root
Jun 16 14:17:04 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:18 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=440
Jun 16 14:17:28 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=512
Jun 16 14:17:28 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:28 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:28 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=400
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=272
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1408
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=504
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1280
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=144
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0d830000 (overrun error), size=16
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:29 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=144
Jun 16 14:17:33 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024
Jun 16 14:17:38 GlassNib-NAS kernel: mvneta d0074000.ethernet eth1: bad rx status 0f830000 (overrun error), size=1024

I have re-installed the OS, due to another issue yesterday which was resolved by the re-install, but I can't seem to get passed this one.  I ahve not touched the MTU on the network interfaces, it is set to the standard 1500 on both interfaces.

I am running both Windows and mac computers at home and also have a remote back-up over Rsync coming into this ReadyNAS, but the errors appear during normal operation as well as during the Rsynch backup.  I ahve also noticed that my Timemachine backups of my mac keep failing and telling me that they have to start a new backup on a regular basis, not sure if this is connected or not?

Any suggestions would be gratefully received,

Mark