BufferItem *bufferItem = findBufferItem(bufferId);
if(!bufferItem) {
qDebug() << "NetworkModel::setLastSeenMsgId(): buffer is unknown:" << bufferId;
BufferItem *bufferItem = findBufferItem(bufferId);
if(!bufferItem) {
qDebug() << "NetworkModel::setLastSeenMsgId(): buffer is unknown:" << bufferId;