The vmkping looks good.
From vmkwarning log.....
2014-02-27T16:09:29.328Z cpu2:9550)WARNING: Migrate: 4998: 1393517156524758 D: Migration considered a failure by the VMX. It is most likely a timeout, but check the VMX log for the true error.
from vmkernel log...
2014-02-27T17:25:45.513Z cpu14:6588)WARNING: Migrate: 3292: 1393521852536795 D: Unable to set NUMA affinity mask for world 6842
2014-02-27T17:27:45.615Z cpu5:6588)WARNING: Migrate: 4998: 1393521852536795 D: Migration considered a failure by the VMX. It is most likely a timeout, but check the VMX log for the true error.
2014-02-27T17:27:45.615Z cpu5:6588)WARNING: Migrate: 269: 1393521852536795 D: Failed: Migration determined a failure by the VMX (0xbad0092) @0x41800d7b9799