Warning: Permanently added '10.128.0.187' (ED25519) to the list of known hosts. 2025/07/06 07:26:10 ignoring optional flag "sandboxArg"="0" 2025/07/06 07:26:11 parsed 1 programs [ 334.987474][ T5889] cgroup: Unknown subsys name 'net' [ 335.139137][ T5889] cgroup: Unknown subsys name 'cpuset' [ 335.148498][ T5889] cgroup: Unknown subsys name 'rlimit' [ 336.802912][ T5889] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 339.883267][ T5901] [ 339.885929][ T5901] ============================= [ 339.890836][ T5901] WARNING: suspicious RCU usage [ 339.895772][ T5901] 6.16.0-rc4-next-20250704-syzkaller #0 Not tainted [ 339.902378][ T5901] ----------------------------- [ 339.907319][ T5901] fs/proc/proc_sysctl.c:934 suspicious rcu_dereference_check() usage! [ 339.915616][ T5901] [ 339.915616][ T5901] other info that might help us debug this: [ 339.915616][ T5901] [ 339.925906][ T5901] [ 339.925906][ T5901] rcu_scheduler_active = 2, debug_locks = 1 [ 339.934078][ T5901] 3 locks held by syz-executor/5901: [ 339.939449][ T5901] #0: ffff88802fb98428 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 339.948761][ T5901] #1: ffff888031e1a6c0 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: path_openat+0x8cb/0x3830 [ 339.959388][ T5901] #2: ffff888076e03e30 (&lockref->lock){+.+.}-{3:3}, at: d_alloc_parallel+0xbe4/0x15e0 [ 339.969258][ T5901] [ 339.969258][ T5901] stack backtrace: [ 339.975270][ T5901] CPU: 0 UID: 0 PID: 5901 Comm: syz-executor Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) [ 339.975295][ T5901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 339.975314][ T5901] Call Trace: [ 339.975322][ T5901] [ 339.975330][ T5901] dump_stack_lvl+0x189/0x250 [ 339.975363][ T5901] ? __pfx_dump_stack_lvl+0x10/0x10 [ 339.975388][ T5901] ? __pfx__printk+0x10/0x10 [ 339.975433][ T5901] lockdep_rcu_suspicious+0x140/0x1d0 [ 339.975461][ T5901] proc_sys_compare+0x27d/0x2c0 [ 339.975483][ T5901] ? __pfx_proc_sys_compare+0x10/0x10 [ 339.975508][ T5901] d_alloc_parallel+0x1060/0x15e0 [ 339.975542][ T5901] ? d_alloc_parallel+0x2f0/0x15e0 [ 339.975572][ T5901] ? __pfx_d_alloc_parallel+0x10/0x10 [ 339.975592][ T5901] ? __pfx_default_wake_function+0x10/0x10 [ 339.975641][ T5901] path_openat+0xa3b/0x3830 [ 339.975662][ T5901] ? arch_stack_walk+0xfc/0x150 [ 339.975723][ T5901] ? __pfx_path_openat+0x10/0x10 [ 339.975742][ T5901] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 339.975786][ T5901] do_filp_open+0x1fa/0x410 [ 339.975807][ T5901] ? __lock_acquire+0xab9/0xd20 [ 339.975841][ T5901] ? __pfx_do_filp_open+0x10/0x10 [ 339.975889][ T5901] ? _raw_spin_unlock+0x28/0x50 [ 339.975913][ T5901] ? alloc_fd+0x64c/0x6c0 [ 339.975953][ T5901] do_sys_openat2+0x121/0x1c0 [ 339.975990][ T5901] ? __pfx_do_sys_openat2+0x10/0x10 [ 339.976023][ T5901] ? exc_page_fault+0x76/0xf0 [ 339.976054][ T5901] ? do_user_addr_fault+0xc8a/0x1390 [ 339.976087][ T5901] __x64_sys_openat+0x138/0x170 [ 339.976111][ T5901] do_syscall_64+0xfa/0x3b0 [ 339.976137][ T5901] ? lockdep_hardirqs_on+0x9c/0x150 [ 339.976182][ T5901] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 339.976203][ T5901] ? clear_bhb_loop+0x60/0xb0 [ 339.976238][ T5901] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 339.976260][ T5901] RIP: 0033:0x7f927378d211 [ 339.976289][ T5901] Code: 75 57 89 f0 25 00 00 41 00 3d 00 00 41 00 74 49 80 3d 3a 93 1f 00 00 74 6d 89 da 48 89 ee bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 93 00 00 00 48 8b 54 24 28 64 48 2b 14 25 [ 339.976307][ T5901] RSP: 002b:00007ffc35f7d6a0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 339.976329][ T5901] RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f927378d211 [ 339.976345][ T5901] RDX: 0000000000080001 RSI: 00007f927382afc0 RDI: 00000000ffffff9c [ 339.976359][ T5901] RBP: 00007f927382afc0 R08: 0000000000000000 R09: 0000000000000000 [ 339.976372][ T5901] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000008 [ 339.976385][ T5901] R13: 00007ffc35f7d740 R14: 0000000000000009 R15: 0000000000000000 [ 339.976418][ T5901] [ 340.303910][ T5907] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 340.312851][ T5907] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 340.325727][ T5907] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 340.334003][ T5907] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 340.342418][ T5907] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 340.642711][ T5901] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 340.653433][ T5902] chnl_net:caif_netlink_parms(): no params data found [ 341.296381][ T5902] bridge0: port 1(bridge_slave_0) entered blocking state [ 341.304392][ T5902] bridge0: port 1(bridge_slave_0) entered disabled state [ 341.312081][ T5902] bridge_slave_0: entered allmulticast mode [ 341.320995][ T5902] bridge_slave_0: entered promiscuous mode [ 341.373595][ T5902] bridge0: port 2(bridge_slave_1) entered blocking state [ 341.409677][ T5902] bridge0: port 2(bridge_slave_1) entered disabled state [ 341.418197][ T5902] bridge_slave_1: entered allmulticast mode [ 341.427872][ T5902] bridge_slave_1: entered promiscuous mode [ 341.533217][ T5902] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 341.555692][ T5902] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 341.634784][ T5902] team0: Port device team_slave_0 added [ 341.686848][ T5902] team0: Port device team_slave_1 added [ 341.754792][ T5902] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 341.761790][ T5902] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 341.791173][ T5902] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 341.820429][ T5902] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 341.827487][ T5902] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 341.853694][ T5902] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 342.299900][ T5902] hsr_slave_0: entered promiscuous mode [ 342.308171][ T5902] hsr_slave_1: entered promiscuous mode [ 343.148694][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 343.174809][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 343.276468][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 343.284365][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 343.792820][ T5902] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 343.852042][ T5902] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 343.864132][ T5902] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 344.013470][ T5902] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 344.420901][ T5902] 8021q: adding VLAN 0 to HW filter on device bond0 [ 344.599339][ T5902] 8021q: adding VLAN 0 to HW filter on device team0 [ 344.639795][ T5955] bridge0: port 1(bridge_slave_0) entered blocking state [ 344.647195][ T5955] bridge0: port 1(bridge_slave_0) entered forwarding state [ 344.738650][ T36] bridge0: port 2(bridge_slave_1) entered blocking state [ 344.745866][ T36] bridge0: port 2(bridge_slave_1) entered forwarding state [ 345.028544][ T5902] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 345.076302][ T5902] veth0_vlan: entered promiscuous mode [ 345.089257][ T5902] veth1_vlan: entered promiscuous mode [ 345.122220][ T5902] veth0_macvtap: entered promiscuous mode [ 345.135069][ T5902] veth1_macvtap: entered promiscuous mode [ 345.153915][ T5902] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 345.171861][ T5902] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 345.189717][ T13] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 345.200652][ T13] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 345.211568][ T13] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 345.230991][ T13] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/07/06 07:26:25 executed programs: 0 [ 345.400372][ T5166] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 345.412797][ T5166] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 345.425798][ T5166] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 345.447485][ T5166] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 345.468334][ T5166] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 345.584090][ T5907] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 345.618571][ T51] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 345.626615][ T51] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 345.636275][ T51] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 345.643448][ T6004] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 345.655793][ T51] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 345.686003][ T6010] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 345.687477][ T6009] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 345.700817][ T6004] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 345.702302][ T6009] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 345.728387][ T6009] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 345.744472][ T6009] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 345.758681][ T6009] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 345.760531][ T5907] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 345.766408][ T6009] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 345.793304][ T5907] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 345.801874][ T6009] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 345.803717][ T5907] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 345.809723][ T6009] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 345.817743][ T5907] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 346.463263][ T13] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 346.780602][ T5993] chnl_net:caif_netlink_parms(): no params data found [ 347.040387][ T6002] chnl_net:caif_netlink_parms(): no params data found [ 347.059617][ T5998] chnl_net:caif_netlink_parms(): no params data found [ 347.169072][ T13] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 347.202076][ T5993] bridge0: port 1(bridge_slave_0) entered blocking state [ 347.209424][ T5993] bridge0: port 1(bridge_slave_0) entered disabled state [ 347.216704][ T5993] bridge_slave_0: entered allmulticast mode [ 347.223971][ T5993] bridge_slave_0: entered promiscuous mode [ 347.232578][ T6000] chnl_net:caif_netlink_parms(): no params data found [ 347.275812][ T6003] chnl_net:caif_netlink_parms(): no params data found [ 347.296415][ T5993] bridge0: port 2(bridge_slave_1) entered blocking state [ 347.303678][ T5993] bridge0: port 2(bridge_slave_1) entered disabled state [ 347.311752][ T5993] bridge_slave_1: entered allmulticast mode [ 347.319615][ T5993] bridge_slave_1: entered promiscuous mode [ 347.401082][ T5993] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 347.452763][ T5993] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 347.567470][ T6002] bridge0: port 1(bridge_slave_0) entered blocking state [ 347.574923][ T6002] bridge0: port 1(bridge_slave_0) entered disabled state [ 347.582116][ T6002] bridge_slave_0: entered allmulticast mode [ 347.589018][ T5907] Bluetooth: hci0: command tx timeout [ 347.597408][ T6002] bridge_slave_0: entered promiscuous mode [ 347.606028][ T6002] bridge0: port 2(bridge_slave_1) entered blocking state [ 347.613150][ T6002] bridge0: port 2(bridge_slave_1) entered disabled state [ 347.620885][ T6002] bridge_slave_1: entered allmulticast mode [ 347.629145][ T6002] bridge_slave_1: entered promiscuous mode [ 347.659918][ T5993] team0: Port device team_slave_0 added [ 347.669543][ T5993] team0: Port device team_slave_1 added [ 347.726760][ T5998] bridge0: port 1(bridge_slave_0) entered blocking state [ 347.733908][ T5998] bridge0: port 1(bridge_slave_0) entered disabled state [ 347.741635][ T5998] bridge_slave_0: entered allmulticast mode [ 347.747725][ T5907] Bluetooth: hci1: command tx timeout [ 347.755624][ T5998] bridge_slave_0: entered promiscuous mode [ 347.824372][ T6002] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 347.834255][ T5998] bridge0: port 2(bridge_slave_1) entered blocking state [ 347.839980][ T5907] Bluetooth: hci2: command tx timeout [ 347.845529][ T5998] bridge0: port 2(bridge_slave_1) entered disabled state [ 347.854150][ T5998] bridge_slave_1: entered allmulticast mode [ 347.863554][ T5998] bridge_slave_1: entered promiscuous mode [ 347.885444][ T5993] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 347.892416][ T5993] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 347.919167][ T6010] Bluetooth: hci4: command tx timeout [ 347.919513][ T5907] Bluetooth: hci3: command tx timeout [ 347.931502][ T5993] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 347.942659][ T6000] bridge0: port 1(bridge_slave_0) entered blocking state [ 347.950339][ T6000] bridge0: port 1(bridge_slave_0) entered disabled state [ 347.957921][ T6000] bridge_slave_0: entered allmulticast mode [ 347.967757][ T6000] bridge_slave_0: entered promiscuous mode [ 347.977970][ T6002] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 348.027130][ T13] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 348.044225][ T6003] bridge0: port 1(bridge_slave_0) entered blocking state [ 348.051693][ T6003] bridge0: port 1(bridge_slave_0) entered disabled state [ 348.059318][ T6003] bridge_slave_0: entered allmulticast mode [ 348.067947][ T6003] bridge_slave_0: entered promiscuous mode [ 348.077445][ T6003] bridge0: port 2(bridge_slave_1) entered blocking state [ 348.091499][ T6003] bridge0: port 2(bridge_slave_1) entered disabled state [ 348.099080][ T6003] bridge_slave_1: entered allmulticast mode [ 348.106685][ T6003] bridge_slave_1: entered promiscuous mode [ 348.115644][ T5993] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 348.122612][ T5993] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 348.150391][ T5993] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 348.169191][ T6000] bridge0: port 2(bridge_slave_1) entered blocking state [ 348.176641][ T6000] bridge0: port 2(bridge_slave_1) entered disabled state [ 348.183815][ T6000] bridge_slave_1: entered allmulticast mode [ 348.191303][ T6000] bridge_slave_1: entered promiscuous mode [ 348.240097][ T13] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 348.318488][ T6002] team0: Port device team_slave_0 added [ 348.328582][ T6000] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 348.340800][ T5998] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 348.353397][ T5998] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 348.365730][ T6003] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 348.380281][ T6003] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 348.418832][ T6002] team0: Port device team_slave_1 added [ 348.442588][ T6000] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 348.518996][ T5993] hsr_slave_0: entered promiscuous mode [ 348.526049][ T5993] hsr_slave_1: entered promiscuous mode [ 348.532218][ T5993] debugfs: 'hsr0' already exists in 'hsr' [ 348.538174][ T5993] Cannot create hsr debugfs directory [ 348.595216][ T5998] team0: Port device team_slave_0 added [ 348.602572][ T6003] team0: Port device team_slave_0 added [ 348.612924][ T6003] team0: Port device team_slave_1 added [ 348.636375][ T6002] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 348.643405][ T6002] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 348.670092][ T6002] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 348.683265][ T6000] team0: Port device team_slave_0 added [ 348.693254][ T5998] team0: Port device team_slave_1 added [ 348.736448][ T6002] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 348.743437][ T6002] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 348.769955][ T6002] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 348.783109][ T6000] team0: Port device team_slave_1 added [ 348.831590][ T6003] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 348.839014][ T6003] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 348.865207][ T6003] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 348.878091][ T6003] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 348.885121][ T6003] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 348.911149][ T6003] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 348.986883][ T5998] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 348.993875][ T5998] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 349.020754][ T5998] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 349.087202][ T6000] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 349.094193][ T6000] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 349.122753][ T6000] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 349.135567][ T5998] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 349.142542][ T5998] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 349.168915][ T5998] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 349.222998][ T6002] hsr_slave_0: entered promiscuous mode [ 349.229560][ T6002] hsr_slave_1: entered promiscuous mode [ 349.237284][ T6002] debugfs: 'hsr0' already exists in 'hsr' [ 349.243037][ T6002] Cannot create hsr debugfs directory [ 349.258459][ T6000] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 349.267100][ T6000] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 349.293768][ T6000] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 349.408183][ T6003] hsr_slave_0: entered promiscuous mode [ 349.416654][ T6003] hsr_slave_1: entered promiscuous mode [ 349.423099][ T6003] debugfs: 'hsr0' already exists in 'hsr' [ 349.430930][ T6003] Cannot create hsr debugfs directory [ 349.484148][ T5998] hsr_slave_0: entered promiscuous mode [ 349.491687][ T5998] hsr_slave_1: entered promiscuous mode [ 349.503279][ T5998] debugfs: 'hsr0' already exists in 'hsr' [ 349.509574][ T5998] Cannot create hsr debugfs directory [ 349.564522][ T13] bridge_slave_1: left allmulticast mode [ 349.571202][ T13] bridge_slave_1: left promiscuous mode [ 349.577854][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 349.596424][ T13] bridge_slave_0: left allmulticast mode [ 349.602115][ T13] bridge_slave_0: left promiscuous mode [ 349.608056][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 349.665716][ T5907] Bluetooth: hci0: command tx timeout [ 349.824801][ T5907] Bluetooth: hci1: command tx timeout