Patch jetson AGX ORIN preempt-RT,then wired ethernet does not work,why?but before patch it work

nvidia@ubuntu:~$ lspci
0001:00:00.0 PCI bridge: NVIDIA Corporation Device 229e (rev a1)
0001:01:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8822CE 802.11ac PCIe Wireless Network Adapter
0004:00:00.0 PCI bridge: NVIDIA Corporation Device 229c (rev a1)
0004:01:00.0 Non-Volatile memory controller: Samsung Electronics Co Ltd NVMe SSD Controller SM981/PM981/PM983
nvidia@ubuntu:~$ lsusb
Bus 002 Device 002: ID 0bda:0420 Realtek Semiconductor Corp. 4-Port USB 3.0 Hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 005: ID c0f4:07c0 USB usb keyboard
Bus 001 Device 003: ID 0bda:5420 Realtek Semiconductor Corp. 4-Port USB 2.0 Hub
Bus 001 Device 002: ID 0bda:c822 Realtek Semiconductor Corp. Bluetooth Radio
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
nvidia@ubuntu:~$ ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10
loop txqueuelen 1000 (Local Loopback)
RX packets 2064 bytes 197901 (197.9 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2064 bytes 197901 (197.9 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

usb0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 52:ba:5f:cf:3f:59 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

usb1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 52:ba:5f:cf:3f:5b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

wlP1p1s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.10.87 netmask 255.255.255.0 broadcast 192.168.10.255
inet6 fe80::6efb:3bcb:2c0:e16 prefixlen 64 scopeid 0x20
ether dc:4a:9e:dd:49:f2 txqueuelen 1000 (Ethernet)
RX packets 58915 bytes 23297521 (23.2 MB)
RX errors 0 dropped 1548 overruns 0 frame 0
TX packets 41925 bytes 25335442 (25.3 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

Hi,
We don’t observe the issue on AGX Orin developer kit. Do you use developer kit or custom carrier board?