Chirpstack don't send accept for join request

Hi,
I have just installed chirpstack application server, network server and gateway bridge on my raspberry pi. I have stand-alone gateways from rak wireless which are configured as a packet forwarder.

I created all the gateway profile, service profile, device profile and added gateway which is connected and then added a device.

Device is trying to join with OTAA but never gets accept from chirpstack. i see join request but no Accept in live lora frames.
I can see in network server logs that it is accepted, but the downlink is not being sent

May 10 14:48:03 homeserver chirpstack-gateway-bridge[7011]: time="2022-05-10T14:48:03.474572721+02:00" level=info msg="integration/mqtt: publishing event" event=up qos=0 topic=gateway/ac1f09fffe06052e/event/up uplink_id=c4701c9c-b255-4755-8b85-8364d32a4ef3
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.478072447+02:00" level=info msg="gateway/mqtt: uplink frame received" gateway_id=ac1f09fffe06052e uplink_id=c4701c9c-b255-4755-8b85-8364d32a4ef3
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.682621129+02:00" level=info msg="uplink: frame(s) collected" ctx_id=f2995206-1ede-4834-aea8-f407563f831a mtype=JoinRequest uplink_ids="[c4701c9c-b255-4755-8b85-8364d32a4ef3]"
May 10 14:48:03 homeserver chirpstack-application-server[6998]: time="2022-05-10T14:48:03.696496922+02:00" level=info msg="backend/joinserver: request received" message_type=JoinReq receiver_id=b827ebfffe390000 sender_id=000000 transaction_id=2801051666
May 10 14:48:03 homeserver chirpstack-application-server[6998]: time="2022-05-10T14:48:03.703331355+02:00" level=info msg="device-keys updated" ctx_id="<nil>" dev_eui=ac1f09fffe064035
May 10 14:48:03 homeserver chirpstack-application-server[6998]: time="2022-05-10T14:48:03.703608299+02:00" level=info msg="backend/joinserver: sending response" dev_eui=ac1f09fffe064035 message_type=JoinAns receiver_id=000000 result_code=Success sender_id=b827ebfffe390000 transaction_id=2801051666
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.704670961+02:00" level=info msg="lorawan/backend: finished backend api call" message_type=JoinReq protocol_version=1.0 receiver_id=b827ebfffe390000 result_code=Success sender_id=000000 transaction_id=2801051666
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.705082811+02:00" level=info msg="sent uplink meta-data to network-controller" ctx_id=f2995206-1ede-4834-aea8-f407563f831a dev_eui=ac1f09fffe064035
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.707104154+02:00" level=info msg="device-queue flushed" ctx_id=f2995206-1ede-4834-aea8-f407563f831a dev_eui=ac1f09fffe064035
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.708573611+02:00" level=info msg="device-session saved" ctx_id=f2995206-1ede-4834-aea8-f407563f831a dev_addr=01cde36d dev_eui=ac1f09fffe064035
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.713262368+02:00" level=info msg="device-activation created" ctx_id=f2995206-1ede-4834-aea8-f407563f831a dev_eui=ac1f09fffe064035 id=8
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.717600054+02:00" level=info msg="device updated" ctx_id=f2995206-1ede-4834-aea8-f407563f831a dev_eui=ac1f09fffe064035
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.718197329+02:00" level=info msg="gateway/mqtt: publishing gateway command" command=down downlink_id=f2995206-1ede-4834-aea8-f407563f831a gateway_id=ac1f09fffe06052e qos=0 topic=gateway/ac1f09fffe06052e/command/down
May 10 14:48:03 homeserver chirpstack-gateway-bridge[7011]: time="2022-05-10T14:48:03.719572286+02:00" level=info msg="integration/mqtt: downlink frame received" downlink_id=f2995206-1ede-4834-aea8-f407563f831a gateway_id=ac1f09fffe06052e
May 10 14:48:03 homeserver chirpstack-network-server[6983]: time="2022-05-10T14:48:03.720670318+02:00" level=info msg="storage: downlink-frame saved" ctx_id=f2995206-1ede-4834-aea8-f407563f831a token=63722

Anybody have any idea what could be wrong?
keys are correct.
My gateway is 3 meters away so in range. and also It was working before, but my SD card on RPI died so I did all the install from scratch. And now (maybe new version of chirpstack) it is not working.

Thank you very much for a help.

There must be some network problem, because I moved raspberry pi with chirpstack to location with public IP and it started working.
When it was not working the raspi was in local network as well as gateway. So they saw each other, but, some network issue should be there.

Anyway, it is solved now.