MDS-related microcode update for Intel Sandy Bridge-EP (family 6, model 45,

stepping 7; CPUID 0x206d7) CPUs is disabled as it may cause system instability.

Please refer to /usr/share/doc/microcode_ctl/caveats/06-2d-07_readme

and /usr/share/doc/microcode_ctl/README.caveats for details.