基于qemu仿真的分布式软总线发现不了设备

https://gitee.com/openeuler/yocto-meta-openeuler/blob/openEuler-23.09/docs/source/features/distributed_softbus.rst

你好，我按照这个上面的例子想跑个分布式软总线的仿真，我起了两个qemu的实例（qemu0, qemu1），qemu0和qemu1之间能够互相ping 通，但是起了server和client后，并不能发现对方的设备，你们有什么思路吗，可能存在的问题。谢谢。
···
qemu0:
 qemu-system-aarch64 -M virt-4.0 -m 1G -cpu cortex-a57 -nographic -kernel zImage -initrd openeuler-image-qemu-aarch64-20230927142219.rootfs.cpio.gz -device virtio-net-device,netdev=tap1,mac=fe:88:20:9f:3e:82 -netdev bridge,id=tap1,br=br0 -device virtio-9p-device,fsdev=fs1,mount_tag=host     -fsdev local,security_model=passthrough,id=fs1,path=./

qemu1:
 qemu-system-aarch64 -M virt-4.0 -m 1G -cpu cortex-a57 -nographic -kernel zImage -initrd openeuler-image-qemu-aarch64-20230927142219.rootfs.cpio.gz     -device virtio-net-device,netdev=tap2,mac=fe:1c:65:20:bf:be  -netdev bridge,id=tap2,br=br0  -device virtio-9p-device,fsdev=fs1,mount_tag=host     -fsdev local,security_model=passthrough,id=fs1,path=./

···

client log:
[TRAN]CreateSessionServer: pkgName=softbus_sample, sessionName=session_test
[LNN]NodeStateCbCount is 10
[LNN]BusCenterClientInit init OK!
[DISC]Init success as client side
[TRAN]init tcp direct channel success.
[CONN]proxy auth byteSize[39992], messageSize[4096]
[TRAN]trans udp channel manager init success.
[TRAN]init trans client success
[TRAN]ReCreateSessionServerToServer
[TRAN]ReCreateSessionServerToServer ok
[COMM]softbus server register service success!

[COMM]softbus sdk frame init success.
[TRAN]session name [session_test], pkg name [softbus_sample]
[TRAN]CreateSessionServer ok: ret=0
[COMM]exist same pkg name
[COMM]Add CheckPkgNameInfo failed.
[COMM]SoftBusClientStub::OnReceived, code = 265
[DISC]Sdk OnPublishSuccess, publishId = 123
<PublishSuccess>CB: publish 123 done
[DISC]PublishService send request ret = 0!
[COMM]exist same pkg name
[COMM]Add CheckPkgNameInfo failed.
[COMM]SoftBusClientStub::OnReceived, code = 262
[DISC]Sdk OnDiscoverySuccess, subscribeId = 123
<DiscoverySuccess>CB: discover subscribeId=123

server log:

[COMM][Heartbeat-Looper]PostMessageAtTime what =10 time=1704509272549513 us
[COMM][Heartbeat-Looper]PostMessageAtTime. insert
[COMM]DumpLooper. i=0,handler=heartbeat_handler,what =2,arg1=0 arg2=4, time=1704509257549085
[COMM]DumpLooper. i=1,handler=heartbeat_handler,what =10,arg1=0 arg2=0, time=1704509272549513
[LNN]HB post delay msg, what=7 delay=300000 msec
[COMM][Heartbeat-Looper]PostMessageAtTime what =7 time=1704509557550096 us
[COMM][Heartbeat-Looper]PostMessageAtTime. insert
[COMM]DumpLooper. i=0,handler=heartbeat_handler,what =2,arg1=0 arg2=4, time=1704509257549085
[COMM]DumpLooper. i=1,handler=heartbeat_handler,what =10,arg1=0 arg2=0, time=1704509272549513
[COMM]DumpLooper. i=2,handler=heartbeat_handler,what =7,arg1=0 arg2=0, time=1704509557550096
[LNN]heartbeat(HB) perform as master node
[LNN]HB FSM process msg(7) done, ret=2, nowstatus=2
[COMM]LoopTask[Heartbeat-Looper], after HandleMessage message. handle=heartbeat_handler,what=7
[COMM]LoopTask[Heartbeat-Looper], get message. handle=heartbeat_handler,what=2,msgSize=2
[COMM]LoopTask[Heartbeat-Looper], HandleMessage message. handle=heartbeat_handler,what=2
[LNN]ble heartbeat stub impl beat once
[COMM][Heartbeat-Looper]LooperRemoveMessage. handler=heartbeat_handler, what =10
[LNN]HB post delay msg, what=8 delay=10000 msec
[COMM][Heartbeat-Looper]PostMessageAtTime what =8 time=1704509267551428 us
[COMM][Heartbeat-Looper]PostMessageAtTime. insert
[COMM]DumpLooper. i=0,handler=heartbeat_handler,what =8,arg1=0 arg2=0, time=1704509267551428
[COMM]DumpLooper. i=1,handler=heartbeat_handler,what =7,arg1=0 arg2=0, time=1704509557550096
[LNN]HB post delay msg, what=6 delay=20000 msec
[COMM][Heartbeat-Looper]PostMessageAtTime what =6 time=1704509277551907 us
[COMM][Heartbeat-Looper]PostMessageAtTime. insert
[COMM]DumpLooper. i=0,handler=heartbeat_handler,what =8,arg1=0 arg2=0, time=1704509267551428
[COMM]DumpLooper. i=1,handler=heartbeat_handler,what =6,arg1=0 arg2=4, time=1704509277551907
[COMM]DumpLooper. i=2,handler=heartbeat_handler,what =7,arg1=0 arg2=0, time=1704509557550096
[LNN]HB FSM process msg(2) done, ret=2, nowstatus=2

openEuler/dsoftbus_standard

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