func (n *network) watchMiss(nlSock *nl.NetlinkSocket) { for { msgs, err := nlSock.Recieve() if err != nil { logrus.Errorf("Failed to receive from netlink: %v ", err) continue } for _, msg := range msgs { if msg.Header.Type != syscall.RTM_GETNEIGH && msg.Header.Type != syscall.RTM_NEWNEIGH { continue } neigh, err := netlink.NeighDeserialize(msg.Data) if err != nil { logrus.Errorf("Failed to deserialize netlink ndmsg: %v", err) continue } if neigh.IP.To16() != nil { continue } if neigh.State&(netlink.NUD_STALE|netlink.NUD_INCOMPLETE) == 0 { continue } mac, vtep, err := n.driver.resolvePeer(n.id, neigh.IP) if err != nil { logrus.Errorf("could not resolve peer %q: %v", neigh.IP, err) continue } if err := n.driver.peerAdd(n.id, types.UUID("dummy"), neigh.IP, mac, vtep, true); err != nil { logrus.Errorf("could not add neighbor entry for missed peer: %v", err) } } } }