在espconn_mesh_lflow_request_timeout后出现xxx mesh is busy的原因？

如下所示，在espconn_mesh_lflow_request_timeout后出现xxx mesh is busy，调用espconn_mesh_connect重连，还是会出现xxx mesh is busy，那正确的做法应该是怎么样呢？在重连后是不是有什么操作或者限制呢？mesh version: v1.3.3。

free heap:42528
free heap:42424
espconn_mesh_lflow_request_timeout
free heap:42392
pkt-idx:0, cidx:-1, usr:1, txing[0]:0
pkt-idx:1, cidx:-1, usr:1, txing[0]:0
pkt-idx:2, cidx:-1, usr:1, txing[0]:0
pkt-idx:3, cidx:-1, usr:1, txing[0]:0
pkt-idx:4, cidx:-1, usr:1, txing[0]:0
pkt-idx:5, cidx:-1, usr:1, txing[0]:0
bcast mesh is busy
bcastError:-1 //这是我自己打印出来的错误码，显示是mem问题
rip:2.255.255.1rp:7000, lp:25479
esp_mesh_demo_con_cb
espconn_mesh_lflow_request_timeout
pkt-idx:0, cidx:-1, usr:1, txing[0]:0
pkt-idx:1, cidx:-1, usr:1, txing[0]:0
pkt-idx:2, cidx:-1, usr:1, txing[0]:0
pkt-idx:3, cidx:-1, usr:1, txing[0]:0
pkt-idx:4, cidx:-1, usr:1, txing[0]:0
pkt-idx:5, cidx:-1, usr:1, txing[0]:0
topo mesh is busy
rip:2.255.255.1rp:7000, lp:25479
esp_mesh_demo_con_cb