bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state ------------[ cut here ]------------ 8021q: adding VLAN 0 to HW filter on device bond0 ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x90 kernel/workqueue.c:4916 WARNING: CPU: 0 PID: 7966 at lib/debugobjects.c:325 debug_print_object+0x16a/0x250 lib/debugobjects.c:325 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 7966 Comm: kworker/u4:1 Not tainted 5.0.0-rc3 #35 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1db/0x2d0 lib/dump_stack.c:113 panic+0x2cb/0x65c kernel/panic.c:214 __warn.cold+0x20/0x48 kernel/panic.c:571 report_bug+0x263/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973 RIP: 0010:debug_print_object+0x16a/0x250 lib/debugobjects.c:325 Code: dd e0 bf 81 88 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 b5 00 00 00 48 8b 14 dd e0 bf 81 88 48 c7 c7 80 b5 81 88 e8 b6 50 ba fd <0f> 0b 83 05 51 e5 ca 06 01 48 83 c4 20 5b 41 5c 41 5d 41 5e 5d c3 RSP: 0018:ffff88808998f270 EFLAGS: 00010086 RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81685456 RDI: 0000000000000005 RBP: ffff88808998f2b0 R08: ffff88808fd24500 R09: ffffed1015cc3ef9 R10: ffffed1015cc3ef8 R11: ffff8880ae61f7c7 R12: 0000000000000001 R13: ffffffff899ada20 R14: ffffffff816ea710 R15: dffffc0000000000 __debug_check_no_obj_freed lib/debugobjects.c:785 [inline] debug_check_no_obj_freed+0x39d/0x588 lib/debugobjects.c:817 kfree+0xbd/0x230 mm/slab.c:3805 kvfree+0x61/0x70 mm/util.c:445 netdev_freemem+0x4c/0x60 net/core/dev.c:8991 netdev_release+0x119/0x180 net/core/net-sysfs.c:1640 device_release+0x7d/0x210 drivers/base/core.c:919 kobject_cleanup lib/kobject.c:662 [inline] kobject_release lib/kobject.c:691 [inline] kref_put include/linux/kref.h:67 [inline] kobject_put.cold+0x28f/0x2ec lib/kobject.c:708 netdev_run_todo+0x704/0xae0 net/core/dev.c:8896 rtnl_unlock+0xe/0x10 net/core/rtnetlink.c:117 default_device_exit_batch+0x4d3/0x5f0 net/core/dev.c:9677 ops_exit_list.isra.0+0x105/0x160 net/core/net_namespace.c:156 cleanup_net+0x51d/0xb10 net/core/net_namespace.c:551 process_one_work+0xd0c/0x1ce0 kernel/workqueue.c:2153 worker_thread+0x143/0x14a0 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352 ======================================================