Christian Helmuth da53a11508 pc_nic_drv: drop incoming packets on missing uplink
Fixes sporadic null-pointer dereferences like

  [init -> nic_drv] Error: illegal READ at address 0x204 by pager_object: pd='init -> nic_drv' thread='ep' ip=0x86467
2023-08-23 13:46:37 +02:00
..
2023-07-14 12:06:31 +02:00