====================================================== WARNING: possible circular locking dependency detected 4.19.211-syzkaller #0 Not tainted ------------------------------------------------------ kworker/u4:0/8279 is trying to acquire lock: 00000000a51bf0b6 (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: hfsplus_ext_write_extent+0x7e/0x1f0 fs/hfsplus/extents.c:149 but task is already holding lock: 000000007ccf9892 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #7 ((work_completion)(&(&wb->dwork)->work)){+.+.}: wb_shutdown+0x172/0x210 mm/backing-dev.c:374 bdi_unregister+0x169/0x610 mm/backing-dev.c:946 del_gendisk+0x7f6/0xa80 block/genhd.c:788 loop_remove drivers/block/loop.c:2066 [inline] loop_control_ioctl drivers/block/loop.c:2165 [inline] loop_control_ioctl+0x3b1/0x480 drivers/block/loop.c:2131 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705 __do_sys_ioctl fs/ioctl.c:712 [inline] __se_sys_ioctl fs/ioctl.c:710 [inline] __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #6 (loop_ctl_mutex){+.+.}: lo_open+0x19/0xd0 drivers/block/loop.c:1771 __blkdev_get+0x372/0x1480 fs/block_dev.c:1494 blkdev_get+0xb0/0x940 fs/block_dev.c:1627 blkdev_open+0x202/0x290 fs/block_dev.c:1788 do_dentry_open+0x4aa/0x1160 fs/open.c:796 do_last fs/namei.c:3421 [inline] path_openat+0x793/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #5 (&bdev->bd_mutex){+.+.}: blkdev_put+0x30/0x520 fs/block_dev.c:1839 btrfs_close_bdev fs/btrfs/volumes.c:1033 [inline] btrfs_close_one_device fs/btrfs/volumes.c:1057 [inline] close_fs_devices.part.0+0x24d/0x8e0 fs/btrfs/volumes.c:1085 close_fs_devices fs/btrfs/volumes.c:1117 [inline] btrfs_close_devices+0x95/0x1f0 fs/btrfs/volumes.c:1103 open_ctree+0x26b/0x61e0 fs/btrfs/disk-io.c:3326 btrfs_fill_super fs/btrfs/super.c:1209 [inline] btrfs_mount_root+0x12e5/0x1830 fs/btrfs/super.c:1613 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount+0x3c/0x60 fs/namespace.c:951 btrfs_mount+0x23a/0xaa0 fs/btrfs/super.c:1681 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #4 (&fs_devs->device_list_mutex){+.+.}: btrfs_finish_chunk_alloc+0x27b/0xf90 fs/btrfs/volumes.c:4938 btrfs_create_pending_block_groups+0x242/0x590 fs/btrfs/extent-tree.c:10134 __btrfs_end_transaction+0x21a/0xb00 fs/btrfs/transaction.c:855 flush_space+0xa41/0xee0 fs/btrfs/extent-tree.c:4861 btrfs_async_reclaim_metadata_space+0x466/0x1050 fs/btrfs/extent-tree.c:4977 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 -> #3 (sb_internal#2){.+.+}: sb_start_intwrite include/linux/fs.h:1626 [inline] start_transaction+0xa37/0xf90 fs/btrfs/transaction.c:528 btrfs_dirty_inode+0xe3/0x210 fs/btrfs/inode.c:6165 btrfs_update_time+0x33b/0x3d0 fs/btrfs/inode.c:6207 update_time fs/inode.c:1675 [inline] touch_atime+0x23c/0x2a0 fs/inode.c:1746 file_accessed include/linux/fs.h:2123 [inline] btrfs_file_mmap+0x11b/0x160 fs/btrfs/file.c:2274 call_mmap include/linux/fs.h:1826 [inline] mmap_region+0xc94/0x16b0 mm/mmap.c:1757 do_mmap+0x8e8/0x1080 mm/mmap.c:1530 do_mmap_pgoff include/linux/mm.h:2329 [inline] vm_mmap_pgoff+0x197/0x200 mm/util.c:357 ksys_mmap_pgoff+0x298/0x5a0 mm/mmap.c:1580 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #2 (&mm->mmap_sem){++++}: _copy_to_user+0x29/0x100 lib/usercopy.c:25 copy_to_user include/linux/uaccess.h:155 [inline] filldir64+0x26e/0x430 fs/readdir.c:324 dir_emit_dot include/linux/fs.h:3432 [inline] hfsplus_readdir+0x3c2/0xf20 fs/hfsplus/dir.c:159 iterate_dir+0x473/0x5c0 fs/readdir.c:51 ksys_getdents64+0x175/0x2b0 fs/readdir.c:357 __do_sys_getdents64 fs/readdir.c:376 [inline] __se_sys_getdents64 fs/readdir.c:373 [inline] __x64_sys_getdents64+0x6f/0xb0 fs/readdir.c:373 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #1 (&tree->tree_lock){+.+.}: hfsplus_file_truncate+0xde7/0x1040 fs/hfsplus/extents.c:595 hfsplus_delete_inode+0x18d/0x220 fs/hfsplus/inode.c:419 hfsplus_unlink+0x595/0x820 fs/hfsplus/dir.c:405 hfsplus_rename+0xbe/0x200 fs/hfsplus/dir.c:545 vfs_rename+0x67e/0x1bc0 fs/namei.c:4479 do_renameat2+0xb59/0xc70 fs/namei.c:4629 __do_sys_rename fs/namei.c:4675 [inline] __se_sys_rename fs/namei.c:4673 [inline] __x64_sys_rename+0x5d/0x80 fs/namei.c:4673 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe -> #0 (&HFSPLUS_I(inode)->extents_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_ext_write_extent+0x7e/0x1f0 fs/hfsplus/extents.c:149 hfsplus_write_inode+0x1e/0x4b0 fs/hfsplus/super.c:153 write_inode fs/fs-writeback.c:1244 [inline] __writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442 writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647 wb_writeback+0x28d/0xcc0 fs/fs-writeback.c:1820 wb_do_writeback fs/fs-writeback.c:1965 [inline] wb_workfn+0x29b/0x1250 fs/fs-writeback.c:2006 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 other info that might help us debug this: Chain exists of: &HFSPLUS_I(inode)->extents_lock --> loop_ctl_mutex --> (work_completion)(&(&wb->dwork)->work) Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock((work_completion)(&(&wb->dwork)->work)); lock(loop_ctl_mutex); lock((work_completion)(&(&wb->dwork)->work)); lock(&HFSPLUS_I(inode)->extents_lock); *** DEADLOCK *** 2 locks held by kworker/u4:0/8279: #0: 000000009163b974 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000007ccf9892 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 stack backtrace: CPU: 0 PID: 8279 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Workqueue: writeback wb_workfn (flush-7:5) Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1222 check_prev_add kernel/locking/lockdep.c:1866 [inline] check_prevs_add kernel/locking/lockdep.c:1979 [inline] validate_chain kernel/locking/lockdep.c:2420 [inline] __lock_acquire+0x30c9/0x3ff0 kernel/locking/lockdep.c:3416 lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __mutex_lock_common kernel/locking/mutex.c:937 [inline] __mutex_lock+0xd7/0x1190 kernel/locking/mutex.c:1078 hfsplus_ext_write_extent+0x7e/0x1f0 fs/hfsplus/extents.c:149 hfsplus_write_inode+0x1e/0x4b0 fs/hfsplus/super.c:153 write_inode fs/fs-writeback.c:1244 [inline] __writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442 writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647 wb_writeback+0x28d/0xcc0 fs/fs-writeback.c:1820 wb_do_writeback fs/fs-writeback.c:1965 [inline] wb_workfn+0x29b/0x1250 fs/fs-writeback.c:2006 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 IPVS: ftp: loaded support on port[0] = 21 audit: type=1800 audit(1674994652.514:376): pid=21589 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=15171 res=0 audit: type=1800 audit(1674994652.514:377): pid=21589 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=15171 res=0 IPVS: ftp: loaded support on port[0] = 21 REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal REISERFS (device loop0): using ordered data mode reiserfs: using flush barriers REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) IPVS: ftp: loaded support on port[0] = 21 IPVS: ftp: loaded support on port[0] = 21 REISERFS (device loop0): Using r5 hash to sort names REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. CUSE: zero length info key specified audit: type=1800 audit(1674994653.704:378): pid=21723 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=13889 res=0 attempt to access beyond end of device audit: type=1800 audit(1674994653.704:379): pid=21723 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.1" name="bus" dev="sda1" ino=13889 res=0 CUSE: zero length info key specified loop5: rw=0, want=201326594, limit=1024 Buffer I/O error on dev loop5, logical block 100663296, async page read hfsplus: unable to mark blocks free: error -5 hfsplus: can't free extent IPVS: ftp: loaded support on port[0] = 21 CUSE: zero length info key specified ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 IPVS: ftp: loaded support on port[0] = 21 kauditd_printk_skb: 11 callbacks suppressed audit: type=1804 audit(1674994654.494:391): pid=21875 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir87027356/syzkaller.AWDi4a/197/bus" dev="sda1" ino=14870 res=1 ieee802154 phy0 wpan0: encryption failed: -22 audit: type=1804 audit(1674994654.534:392): pid=21875 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir87027356/syzkaller.AWDi4a/197/bus" dev="sda1" ino=14870 res=1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. device bond1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. IPVS: ftp: loaded support on port[0] = 21 device bond2 entered promiscuous mode IPVS: ftp: loaded support on port[0] = 21 IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 12 bytes leftover after parsing attributes in process `syz-executor.1'. device bond3 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready 8021q: adding VLAN 0 to HW filter on device bond3 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. device bond1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond1: link is not ready 8021q: adding VLAN 0 to HW filter on device bond1 F2FS-fs (loop0): Unrecognized mount option "nta" or missing value F2FS-fs (loop0): Unrecognized mount option "nta" or missing value audit: type=1800 audit(1674994655.724:393): pid=21926 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=13878 res=0 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created audit: type=1804 audit(1674994655.814:394): pid=21926 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2153436814/syzkaller.TpgsTJ/211/bus" dev="sda1" ino=13878 res=1 audit: type=1804 audit(1674994655.844:395): pid=21926 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir2153436814/syzkaller.TpgsTJ/211/bus" dev="sda1" ino=13878 res=1 PM: Basic memory bitmaps freed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. device bond2 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond2: link is not ready 8021q: adding VLAN 0 to HW filter on device bond2 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. device bond4 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond4: link is not ready overlayfs: conflicting lowerdir path 8021q: adding VLAN 0 to HW filter on device bond4 ceph: device name is missing path (no : separator in /dev/sr0) netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: conflicting lowerdir path ceph: device name is missing path (no : separator in /dev/sr0) device bond3 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond3: link is not ready 8021q: adding VLAN 0 to HW filter on device bond3 F2FS-fs (loop0): Unrecognized mount option "nta" or missing value F2FS-fs (loop0): Unrecognized mount option "nta" or missing value audit: type=1800 audit(1674994657.634:396): pid=22251 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=13956 res=0 audit: type=1800 audit(1674994657.704:397): pid=22191 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.0" name="bus" dev="sda1" ino=13881 res=0 PM: Marking nosave pages: [mem 0x00000000-0x00000fff] PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] PM: Basic memory bitmaps created audit: type=1804 audit(1674994657.774:398): pid=22251 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.3" name="/root/syzkaller-testdir87027356/syzkaller.AWDi4a/200/bus" dev="sda1" ino=13956 res=1 audit: type=1804 audit(1674994657.784:399): pid=22251 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.3" name="/root/syzkaller-testdir87027356/syzkaller.AWDi4a/200/bus" dev="sda1" ino=13956 res=1 audit: type=1804 audit(1674994657.804:400): pid=22357 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2153436814/syzkaller.TpgsTJ/212/bus" dev="sda1" ino=13881 res=1 PM: Basic memory bitmaps freed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: conflicting lowerdir path PM: Marking nosave pages: [mem 0x00000000-0x00000fff] overlayfs: failed to resolve './file0': -2 PM: Marking nosave pages: [mem 0x0009f000-0x000fffff] ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. PM: Marking nosave pages: [mem 0xbfffd000-0xffffffff] device bond4 entered promiscuous mode overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) IPv6: ADDRCONF(NETDEV_UP): bond4: link is not ready overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) 8021q: adding VLAN 0 to HW filter on device bond4 PM: Basic memory bitmaps created overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: conflicting lowerdir path overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) ceph: device name is missing path (no : separator in /dev/sr0) netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: filesystem on './file0' not supported as upperdir device bond5 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond5: link is not ready ceph: device name is missing path (no : separator in /dev/sr0) 8021q: adding VLAN 0 to HW filter on device bond5 overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir overlayfs: filesystem on './file0' not supported as upperdir ceph: device name is missing path (no : separator in /dev/sr0) overlayfs: filesystem on './file0' not supported as upperdir overlayfs: conflicting lowerdir path PM: Basic memory bitmaps freed ceph: device name is missing path (no : separator in /dev/sr0) device bond6 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond6: link is not ready ieee802154 phy0 wpan0: encryption failed: -22 8021q: adding VLAN 0 to HW filter on device bond6 ip6_tunnel: non-ECT from fc01:0000:0000:0000:0000:0000:0000:0000 with DS=0x62 overlayfs: conflicting lowerdir path ceph: device name is missing path (no : separator in /dev/sr0) device bond7 entered promiscuous mode overlayfs: conflicting lowerdir path IPv6: ADDRCONF(NETDEV_UP): bond7: link is not ready ieee802154 phy0 wpan0: encryption failed: -22 8021q: adding VLAN 0 to HW filter on device bond7 ceph: device name is missing path (no : separator in /dev/sr0) ip6_tunnel: non-ECT from fc01:0000:0000:0000:0000:0000:0000:0000 with DS=0x62 F2FS-fs (loop2): invalid crc value F2FS-fs (loop2): Mounted with checkpoint version = 48b305e4 nla_parse: 2 callbacks suppressed netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. ceph: device name is missing path (no : separator in /dev/sr0) device bond8 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): bond8: link is not ready 8021q: adding VLAN 0 to HW filter on device bond8