This has happened twice now, these messages start spewing into the both /var/log/messages and /var/log/vdsm/vdsm.log with slightly different formats but the same information.  Restarting vdsmd fixes this but I'l like to find why it gets into this state.  CentOS 6.7 oVirt 3.5.  Any ideas?

Aug 18 16:06:36 ovirt-node250 vdsm vds.MultiProtocolAcceptor ERROR Unhandled exception#012Traceback (most recent call last):#012  File "/usr/share/vdsm/protocoldetector.py", line 86, in serve_forever#012    self._process_events()#012  File "/usr/share/vdsm/protocoldetector.py", line 105, in _process_events#012    self._handle_connection_read(fd)#012  File "/usr/share/vdsm/protocoldetector.py", line 225, in _handle_connection_read#012    data = client_socket.recv(self._required_size, socket.MSG_PEEK)#012  File "/usr/lib/python2.6/site-packages/vdsm/sslutils.py", line 58, in read#012    self._data = self.connection.read(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 229, in read#012    return self._read_nbio(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 218, in _read_nbio#012    return m2.ssl_read_nbio(self.ssl, size)#012SSLError: unexpected eof

Aug 18 16:06:36 ovirt-node250 vdsm vds.MultiProtocolAcceptor ERROR Unhandled exception#012Traceback (most recent call last):#012  File "/usr/share/vdsm/protocoldetector.py", line 86, in serve_forever#012    self._process_events()#012  File "/usr/share/vdsm/protocoldetector.py", line 105, in _process_events#012    self._handle_connection_read(fd)#012  File "/usr/share/vdsm/protocoldetector.py", line 225, in _handle_connection_read#012    data = client_socket.recv(self._required_size, socket.MSG_PEEK)#012  File "/usr/lib/python2.6/site-packages/vdsm/sslutils.py", line 58, in read#012    self._data = self.connection.read(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 229, in read#012    return self._read_nbio(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 218, in _read_nbio#012    return m2.ssl_read_nbio(self.ssl, size)#012SSLError: unexpected eof

Aug 18 16:06:36 ovirt-node250 vdsm vds.MultiProtocolAcceptor ERROR Unhandled exception#012Traceback (most recent call last):#012  File "/usr/share/vdsm/protocoldetector.py", line 86, in serve_forever#012    self._process_events()#012  File "/usr/share/vdsm/protocoldetector.py", line 105, in _process_events#012    self._handle_connection_read(fd)#012  File "/usr/share/vdsm/protocoldetector.py", line 225, in _handle_connection_read#012    data = client_socket.recv(self._required_size, socket.MSG_PEEK)#012  File "/usr/lib/python2.6/site-packages/vdsm/sslutils.py", line 58, in read#012    self._data = self.connection.read(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 229, in read#012    return self._read_nbio(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 218, in _read_nbio#012    return m2.ssl_read_nbio(self.ssl, size)#012SSLError: unexpected eof

Aug 18 16:06:36 ovirt-node250 vdsm vds.MultiProtocolAcceptor ERROR Unhandled exception#012Traceback (most recent call last):#012  File "/usr/share/vdsm/protocoldetector.py", line 86, in serve_forever#012    self._process_events()#012  File "/usr/share/vdsm/protocoldetector.py", line 105, in _process_events#012    self._handle_connection_read(fd)#012  File "/usr/share/vdsm/protocoldetector.py", line 225, in _handle_connection_read#012    data = client_socket.recv(self._required_size, socket.MSG_PEEK)#012  File "/usr/lib/python2.6/site-packages/vdsm/sslutils.py", line 58, in read#012    self._data = self.connection.read(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 229, in read#012    return self._read_nbio(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 218, in _read_nbio#012    return m2.ssl_read_nbio(self.ssl, size)#012SSLError: unexpected eof

Aug 18 16:06:36 ovirt-node250 vdsm vds.MultiProtocolAcceptor ERROR Unhandled exception#012Traceback (most recent call last):#012  File "/usr/share/vdsm/protocoldetector.py", line 86, in serve_forever#012    self._process_events()#012  File "/usr/share/vdsm/protocoldetector.py", line 105, in _process_events#012    self._handle_connection_read(fd)#012  File "/usr/share/vdsm/protocoldetector.py", line 225, in _handle_connection_read#012    data = client_socket.recv(self._required_size, socket.MSG_PEEK)#012  File "/usr/lib/python2.6/site-packages/vdsm/sslutils.py", line 58, in read#012    self._data = self.connection.read(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 229, in read#012    return self._read_nbio(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 218, in _read_nbio#012    return m2.ssl_read_nbio(self.ssl, size)#012SSLError: unexpected eof

Aug 18 16:06:36 ovirt-node250 vdsm vds.MultiProtocolAcceptor ERROR Unhandled exception#012Traceback (most recent call last):#012  File "/usr/share/vdsm/protocoldetector.py", line 86, in serve_forever#012    self._process_events()#012  File "/usr/share/vdsm/protocoldetector.py", line 105, in _process_events#012    self._handle_connection_read(fd)#012  File "/usr/share/vdsm/protocoldetector.py", line 225, in _handle_connection_read#012    data = client_socket.recv(self._required_size, socket.MSG_PEEK)#012  File "/usr/lib/python2.6/site-packages/vdsm/sslutils.py", line 58, in read#012    self._data = self.connection.read(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 229, in read#012    return self._read_nbio(size)#012  File "/usr/lib64/python2.6/site-packages/M2Crypto/SSL/Connection.py", line 218, in _read_nbio#012    return m2.ssl_read_nbio(self.ssl, size)#012SSLError: unexpected eof

Aug 18 16:06:36 ovirt-node250 rsyslogd-2177: imuxsock begins to drop messages from pid 19808 due to rate-limiting