This was due to a misconfiguration on the vsf  

  member 2

      type "JL255A" mac-address xxxxxx

      priority 128

      link 1 2/23-2/24

      link 1 name "I-Link2_1"

      link 2 name "I-Link2_2"

Should of been : 

  member 2

      type "JL255A" mac-address xxxxxxxxx

      priority 128

      link 1 2/23

      link 1 name "I-Link2_1"

      link 2 2/24

      link 2 name "I-Link2_2"

      exit

   port-speed

Commands to run to remove a link from a vsf member : 

no vsf member 2 link 1 2/24

then

vsf member 2 link 2 2/24

Also had FCS Rx Errors on a new install

A new DAC Hp Cable fixed this ( Faulty on arrival )