Geo-rep faulty with twrap and keep_alive errors

Issue

Following error in the log:

Traceback (most recent call last):
File "/usr/libexec/glusterfs/python/syncdaemon/syncdutils.py", line 306, in twrap
tf(*aa)
File "/usr/libexec/glusterfs/python/syncdaemon/master.py", line 399, in keep_alive
cls.slave.server.keep_alive(vi)
File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 226, in call
return self.ins(self.meth, *a)
File "/usr/libexec/glusterfs/python/syncdaemon/repce.py", line 208, in call
raise res
OSError: [Errno 5] Input/output error