I migrated the engin on a F19 and reimported the db so I'm ok

So I'playing with F20 to see if it may run as node but have this error on vdsm

vdsm vds ERROR unexpected error
                                            Traceback (most recent call last):
                                              File "/usr/share/vdsm/BindingXMLRPC.py", line 1070, in wrapper
                                                res = f(*args, **kwargs)
                                              File "/usr/share/vdsm/BindingXMLRPC.py", line 393, in getCapabilities
                                                ret = api.getCapabilities()
                                              File "/usr/share/vdsm/API.py", line 1185, in getCapabilities
                                                c = caps.get()
                                              File "/usr/share/vdsm/caps.py", line 369, in get
                                                caps.update(netinfo.get())
                                              File "/usr/lib64/python2.7/site-packages/vdsm/netinfo.py", line 557, in get
                                                netAttr.get('qosOutbound'))
                                              File "/usr/lib64/python2.7/site-packages/vdsm/netinfo.py", line 487, in _getNetInfo
                                                ipv4addr, ipv4netmask, ipv6addrs = getIpInfo(iface)
                                              File "/usr/lib64/python2.7/site-packages/vdsm/netinfo.py", line 317, in getIpInfo
                                                ipv6addrs = devInfo.get_ipv6_addresses()
                                            SystemError: error return without exception set

Any idea someone?

Thank you

Best regards