problem "network ist unreachable" with 0.21.1

Hi,


I try to get "gnunet-core v0.21.2 release=E2=80=9D to run. But =
"gnunet-core -s=E2=80=9D remains empty even after hours. The log is =
showing some kind of network problem with gnunet. The network is =
otherwise working without any problems. What is the problem here?


2024-07-28T14:02:10.618566+0000 cadet-2700 WARNING Done with initial =
PEERSTORE iteration during monitoring
2024-07-28T14:02:10.621075+0000 transport-2711 DEBUG Starting udp =
communicator
2024-07-28T14:02:10.630512+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable
2024-07-28T14:02:10.641566+0000 namestore-api-2712 DEBUG Sending =
ZONE_ITERATION_START message
2024-07-28T14:02:10.646234+0000 dht-2701 WARNING Done with initial =
PEERSTORE iteration during monitoring
2024-07-28T14:02:10.662306+0000 transport-2714 WARNING Done with initial =
PEERSTORE iteration during monitoring  for checking global natted
2024-07-28T14:02:10.662324+0000 transport-2714 WARNING Done with initial =
PEERSTORE iteration during monitoring  for checking global natted
2024-07-28T14:02:10.664184+0000 namestore-2722 DEBUG Starting namestore =
service
2024-07-28T14:02:10.664201+0000 namestore-2722 DEBUG Loading =
libgnunet_plugin_namestore_sqlite
2024-07-28T14:02:10.672899+0000 transport-2714 WARNING Storing our =
address `udp://[::1]:2086'
2024-07-28T14:02:10.676240+0000 transport-2714 WARNING Storing our =
address `tcp://[::1]:2086'
2024-07-28T14:02:10.676863+0000 transport-2714 WARNING Storing our =
address `tcp://[::1]:2086' not done
2024-07-28T14:02:10.676885+0000 transport-2714 WARNING Storing our =
address `tcp://[2a02:3100:5c65:4b01:a00:37ff:fef6:2777]:2086'
2024-07-28T14:02:10.677029+0000 transport-2714 WARNING Storing our =
address `tcp://[2a02:3100:5c65:4b01:a00:37ff:fef6:2777]:2086' not done
2024-07-28T14:02:10.677040+0000 transport-2714 WARNING Storing our =
address `tcp://[fe80::a00:37ff:fef6:2777]:2086'
2024-07-28T14:02:10.679864+0000 transport-2714 WARNING Storing our =
address `tcp://[fe80::a00:37ff:fef6:2777]:2086' not done
2024-07-28T14:02:10.680766+0000 dht-2701 WARNING Adding address =
`udp://[::1]:2086' from underlay not done
2024-07-28T14:02:10.681679+0000 dht-2701 WARNING Adding address =
`udp://[::1]:2086' from underlay not done
2024-07-28T14:02:10.681685+0000 dht-2701 WARNING Adding address =
`tcp://[::1]:2086' from underlay not done
2024-07-28T14:02:10.681985+0000 dht-2701 WARNING Adding address =
`udp://[::1]:2086' from underlay not done

=E2=80=A6..

2024-07-28T16:20:14.512837+0000 transport-2714 INFO Sending address =
validation challenge Y01KFD to EFBZ
2024-07-28T16:20:14.514225+0000 transport-2714 WARNING Done with initial =
PEERSTORE iteration during monitoring  for checking global natted
2024-07-28T16:20:14.514350+0000 gnunet-communicator-udp-2711 WARNING =
`send' failed at gnunet-communicator-udp.c:2479 with error: Network is =
unreachable
2024-07-28T16:20:14.514370+0000 gnunet-communicator-udp-2711 ERROR =
Sending KX with payload size 48 to 147.87.255.218:2086 family 2 failed =
sock 0x5d227ade64e0
2024-07-28T16:21:01.768615+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable
2024-07-28T16:22:01.065712+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable
2024-07-28T16:22:14.895227+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable
2024-07-28T16:22:18.903244+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable
2024-07-28T16:22:29.329219+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable
2024-07-28T16:23:06.428242+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable
2024-07-28T16:23:49.289650+0000 gnunet-communicator-udp-2711 WARNING =
`sendto' failed at gnunet-communicator-udp.c:3227 with error: Network is =
unreachable



THX=