That isn't a dmesg log while hcxdumptool is running. Your log is showing NetworkManager access to the device.
As you can see from my dmesg log:
Jan 13 16:48:10.888795 tux1 kernel: kernel BUG at mm/slub.c:306!
Jan 13 16:48:10.888894 tux1 kernel: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
Jan 13 16:48:10.888982 tux1 kernel: CPU: 4 PID: 82264 Comm: hcxdumptool Tainted: P C OE 5.4.10-arch1-1 #1
The driver didn't accept commands from hcxdumptool any longer and crashed. The workload is too high for the driver.
As you can see from my dmesg log:
Jan 13 16:48:10.888795 tux1 kernel: kernel BUG at mm/slub.c:306!
Jan 13 16:48:10.888894 tux1 kernel: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI
Jan 13 16:48:10.888982 tux1 kernel: CPU: 4 PID: 82264 Comm: hcxdumptool Tainted: P C OE 5.4.10-arch1-1 #1
The driver didn't accept commands from hcxdumptool any longer and crashed. The workload is too high for the driver.