def bootnodes(self, handler):
        with self._objslock:
            for n in self.objs():
                if isinstance(n, nodes.PyCoreNode) and \
                  not isinstance(n, nodes.RJ45Node):
                    # add a control interface if configured
                    self.addremovectrlif(node=n, remove=False)
                    n.boot()
                self.sendnodeemuid(handler, n.objid)
        self.updatectrlifhosts()
Invoke the boot() procedure for all nodes and send back node
dataset/ETHPy150Open coreemu/core/daemon/core/session.py/Session.bootnodes