Hyper-V Agent ICMP issue

2014-03-28 17:49:26.078 4016 INFO neutron.plugins.hyperv.agent.hyperv_neutron_agent [-] Agent out of sync with plugin!
2014-03-28 17:49:26.451 4016 INFO neutron.plugins.hyperv.agent.hyperv_neutron_agent [-] Adding port ebe540e1-589a-4204-b74e-06d5aeafbd8b
2014-03-28 17:49:26.500 4016 INFO neutron.plugins.hyperv.agent.hyperv_neutron_agent [-] Port ebe540e1-589a-4204-b74e-06d5aeafbd8b updated. Details: {u'admin_state_up': True, u'network_id': u'0336eca7-e2c8-428f-bc57-81930d68d976', u'segmentation_id': 2000, u'physical_network': u'physnet1', u'device': u'ebe540e1-589a-4204-b74e-06d5aeafbd8b', u'port_id': u'ebe540e1-589a-4204-b74e-06d5aeafbd8b', u'network_type': u'vlan'}
2014-03-28 17:49:26.957 4016 INFO neutron.plugins.hyperv.agent.hyperv_neutron_agent [-] Binding VLAN ID 2000 to switch port ebe540e1-589a-4204-b74e-06d5aeafbd8b
2014-03-28 17:49:28.736 4016 INFO neutron.agent.securitygroups_rpc [-] Preparing filters for devices set([u'ebe540e1-589a-4204-b74e-06d5aeafbd8b', u'Network Adapter', u'test-network2', u'secgroupNIC', u'test-network'])
2014-03-28 17:49:28.858 4016 INFO neutron.plugins.hyperv.agent.security_groups_driver [-] Filter defer applying on
2014-03-28 17:49:45.687 4016 ERROR neutron.plugins.hyperv.agent.security_groups_driver [-] Hyper-V Exception: HyperVException: WMI job failed with status 10. Error details: The operation failed. - The operation failed.

Failed while applying switch port settings 'Ethernet Switch Port Extended ACL Settings' on switch 'external': One or more arguments are invalid (0x80070057). - Error code: 32773 while adding rule: {u'direction': u'ingress', u'protocol': u'icmp', u'ethertype': u'IPv4', u'port_range_max': 8, u'security_group_id': u'cdba9028-21d7-49b5-a70a-a66c61e93a7b', u'port_range_min': 8, u'source_ip_prefix': u'0.0.0.0/0'}
2014-03-28 17:49:53.551 4016 INFO neutron.plugins.hyperv.agent.security_groups_driver [-] Filter defer applying off