bond0: Error: Device is in use and cannot be enslaved
Bluetooth: hci0: Frame reassembly failed (-84)
xt_time: unknown flags 0xa8
BUG: unable to handle kernel paging request at ffffffffffffffd6
#PF error: [normal kernel read fault]
PGD 8874067 P4D 8874067 PUD 8876067 PMD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 3072 Comm: kworker/u4:4 Not tainted 5.0.0-rc5 #60
kobject: 'hci1' (000000009c4a49d2): kobject_add_internal: parent: 'bluetooth', set: 'devices'
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
kobject: 'hci1' (000000009c4a49d2): kobject_uevent_env
RIP: 0010:h4_recv_buf+0x1ea/0xda0 drivers/bluetooth/hci_h4.c:211
Code: b6 14 10 48 89 c8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d7 0a 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 45 d0 4c 8d 60 70 <0f> b7 58 2a 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 74 08 3c 03 0f
kobject: 'hci1' (000000009c4a49d2): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1'
RSP: 0018:ffff88809de77b10 EFLAGS: 00010246
RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6
RDX: dffffc0000000000 RSI: ffffffff84ecf372 RDI: 0000000000000005
RBP: ffff88809de77b98 R08: ffff88809de68700 R09: 0000000000000003
R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 000000000000001c
R13: ffff88805bf727c0 R14: ffff8880a0723260 R15: 0000000000000009
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'rfkill39' (00000000a46c1749): kobject_add_internal: parent: 'hci1', set: 'devices'
CR2: ffffffffffffffd6 CR3: 0000000091be3000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 ag6xx_recv+0xe4/0x200 drivers/bluetooth/hci_ag6xx.c:123
kobject: 'rfkill39' (00000000a46c1749): kobject_uevent_env
 hci_uart_tty_receive+0x22b/0x530 drivers/bluetooth/hci_ldisc.c:607
 tty_ldisc_receive_buf+0x164/0x1c0 drivers/tty/tty_buffer.c:465
kobject: 'rfkill39' (00000000a46c1749): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill39'
 tty_port_default_receive_buf+0x7d/0xb0 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:481 [inline]
 flush_to_ldisc+0x228/0x390 drivers/tty/tty_buffer.c:533
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
kobject: 'rfkill39' (00000000a46c1749): kobject_uevent_env
kobject: 'rfkill39' (00000000a46c1749): fill_kobj_path: path = '/devices/virtual/bluetooth/hci1/rfkill39'
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
Bluetooth: hci1: Frame reassembly failed (-84)
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
CR2: ffffffffffffffd6
---[ end trace 44fd706bdf57d5f7 ]---
RIP: 0010:h4_recv_buf+0x1ea/0xda0 drivers/bluetooth/hci_h4.c:211
Code: b6 14 10 48 89 c8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 d7 0a 00 00 48 ba 00 00 00 00 00 fc ff df 48 8b 45 d0 4c 8d 60 70 <0f> b7 58 2a 4c 89 e0 48 c1 e8 03 0f b6 04 10 84 c0 74 08 3c 03 0f
RSP: 0018:ffff88809de77b10 EFLAGS: 00010246
RAX: ffffffffffffffac RBX: 0000000000000000 RCX: ffffffffffffffd6
RDX: dffffc0000000000 RSI: ffffffff84ecf372 RDI: 0000000000000005
RBP: ffff88809de77b98 R08: ffff88809de68700 R09: 0000000000000003
R10: ffffed1015d05bcf R11: ffff8880ae82de7b R12: 000000000000001c
R13: ffff88805bf727c0 R14: ffff8880a0723260 R15: 0000000000000009
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 0000000091be3000 CR4: 00000000001426f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400