[zone: mbuf_cluster] kern.ipc.nmbclusters limit reached

Summary

When I tested the genet driver !15 , I encountered this issue.

1. I use the following command on my PC to test tx. It works very well.

yangn0@yangning-PC:~$ sudo curl -o /dev/null ftp://192.168.1.100/dev/zero
[sudo] password for yangn0:
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0  987M    0     0  50.6M      0 --:--:--  0:00:19 --:--:-- 50.6M

2. I use the following command on my PC to test rx. After transmitting a small amount of data, the Current Speed drops to 0. And rtems shell printed [zone: mbuf_cluster] kern.ipc.nmbclusters limit reached.

yangn0@yangning-PC:~$ sudo curl -T /dev/zero ftp://192.168.1.100/dev/null
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 10.6M    0     0    0 10.6M      0   448k --:--:--  0:00:24 --:--:--     0

RTEMS Shell: