Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. 2025/07/06 14:30:16 ignoring optional flag "sandboxArg"="0" 2025/07/06 14:30:17 parsed 1 programs [ 91.827007][ T24] cfg80211: failed to load regulatory.db [ 95.377188][ T5862] cgroup: Unknown subsys name 'net' [ 95.488744][ T5862] cgroup: Unknown subsys name 'cpuset' [ 95.498279][ T5862] cgroup: Unknown subsys name 'rlimit' [ 97.167633][ T5862] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 100.015043][ T5872] [ 100.017630][ T5872] ============================= [ 100.022531][ T5872] WARNING: suspicious RCU usage [ 100.027624][ T5872] 6.16.0-rc4-next-20250704-syzkaller #0 Not tainted [ 100.034233][ T5872] ----------------------------- [ 100.039149][ T5872] fs/proc/proc_sysctl.c:934 suspicious rcu_dereference_check() usage! [ 100.047358][ T5872] [ 100.047358][ T5872] other info that might help us debug this: [ 100.047358][ T5872] [ 100.057633][ T5872] [ 100.057633][ T5872] rcu_scheduler_active = 2, debug_locks = 1 [ 100.065802][ T5872] 3 locks held by syz-executor/5872: [ 100.071113][ T5872] #0: ffff88802fee6428 (sb_writers#3){.+.+}-{0:0}, at: mnt_want_write+0x41/0x90 [ 100.080377][ T5872] #1: ffff888033405c20 (&sb->s_type->i_mutex_key#10){++++}-{4:4}, at: path_openat+0x8cb/0x3830 [ 100.090917][ T5872] #2: ffff88807d8f7270 (&lockref->lock){+.+.}-{3:3}, at: d_alloc_parallel+0xbe4/0x15e0 [ 100.100775][ T5872] [ 100.100775][ T5872] stack backtrace: [ 100.106989][ T5872] CPU: 0 UID: 0 PID: 5872 Comm: syz-executor Not tainted 6.16.0-rc4-next-20250704-syzkaller #0 PREEMPT(full) [ 100.107016][ T5872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 100.107036][ T5872] Call Trace: [ 100.107045][ T5872] [ 100.107054][ T5872] dump_stack_lvl+0x189/0x250 [ 100.107086][ T5872] ? __pfx_dump_stack_lvl+0x10/0x10 [ 100.107112][ T5872] ? __pfx__printk+0x10/0x10 [ 100.107158][ T5872] lockdep_rcu_suspicious+0x140/0x1d0 [ 100.107186][ T5872] proc_sys_compare+0x27d/0x2c0 [ 100.107208][ T5872] ? __pfx_proc_sys_compare+0x10/0x10 [ 100.107253][ T5872] d_alloc_parallel+0x1060/0x15e0 [ 100.107288][ T5872] ? d_alloc_parallel+0x2f0/0x15e0 [ 100.107319][ T5872] ? __pfx_d_alloc_parallel+0x10/0x10 [ 100.107340][ T5872] ? __pfx_default_wake_function+0x10/0x10 [ 100.107400][ T5872] path_openat+0xa3b/0x3830 [ 100.107420][ T5872] ? arch_stack_walk+0xfc/0x150 [ 100.107482][ T5872] ? __pfx_path_openat+0x10/0x10 [ 100.107501][ T5872] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.107545][ T5872] do_filp_open+0x1fa/0x410 [ 100.107566][ T5872] ? __lock_acquire+0xab9/0xd20 [ 100.107600][ T5872] ? __pfx_do_filp_open+0x10/0x10 [ 100.107648][ T5872] ? _raw_spin_unlock+0x28/0x50 [ 100.107672][ T5872] ? alloc_fd+0x64c/0x6c0 [ 100.107712][ T5872] do_sys_openat2+0x121/0x1c0 [ 100.107749][ T5872] ? __pfx_do_sys_openat2+0x10/0x10 [ 100.107782][ T5872] ? exc_page_fault+0x76/0xf0 [ 100.107813][ T5872] ? do_user_addr_fault+0xc8a/0x1390 [ 100.107849][ T5872] __x64_sys_openat+0x138/0x170 [ 100.107874][ T5872] do_syscall_64+0xfa/0x3b0 [ 100.107903][ T5872] ? lockdep_hardirqs_on+0x9c/0x150 [ 100.107929][ T5872] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.107949][ T5872] ? clear_bhb_loop+0x60/0xb0 [ 100.107982][ T5872] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 100.108003][ T5872] RIP: 0033:0x7f9b21f8d211 [ 100.108026][ T5872] 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 [ 100.108043][ T5872] RSP: 002b:00007fffc26faf50 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 [ 100.108063][ T5872] RAX: ffffffffffffffda RBX: 0000000000080001 RCX: 00007f9b21f8d211 [ 100.108078][ T5872] RDX: 0000000000080001 RSI: 00007f9b2202b068 RDI: 00000000ffffff9c [ 100.108092][ T5872] RBP: 00007f9b2202b068 R08: 0000000000000000 R09: 0000000000000000 [ 100.108105][ T5872] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000015 [ 100.108117][ T5872] R13: 00007fffc26faff0 R14: 0000000000000009 R15: 0000000000000000 [ 100.108149][ T5872] [ 100.858858][ T5873] chnl_net:caif_netlink_parms(): no params data found [ 100.994202][ T5874] 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. [ 101.169616][ T5873] bridge0: port 1(bridge_slave_0) entered blocking state [ 101.179703][ T5873] bridge0: port 1(bridge_slave_0) entered disabled state [ 101.188451][ T5873] bridge_slave_0: entered allmulticast mode [ 101.198182][ T5873] bridge_slave_0: entered promiscuous mode [ 101.211382][ T5873] bridge0: port 2(bridge_slave_1) entered blocking state [ 101.224698][ T5873] bridge0: port 2(bridge_slave_1) entered disabled state [ 101.234669][ T5873] bridge_slave_1: entered allmulticast mode [ 101.255762][ T5873] bridge_slave_1: entered promiscuous mode [ 101.440606][ T5873] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 101.520157][ T5873] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 101.656171][ T5873] team0: Port device team_slave_0 added [ 101.708397][ T5873] team0: Port device team_slave_1 added [ 101.958065][ T5873] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 101.977545][ T5873] 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. [ 102.042166][ T5873] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 102.087257][ T5873] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 102.094248][ T5873] 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. [ 102.164858][ T5873] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 102.391475][ T5873] hsr_slave_0: entered promiscuous mode [ 102.417350][ T5873] hsr_slave_1: entered promiscuous mode [ 102.992714][ T64] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.004392][ T64] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.109951][ T64] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 103.118340][ T64] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 103.531135][ T5873] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 103.712861][ T5931] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 103.725264][ T5931] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 103.733241][ T5931] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 103.742589][ T5931] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 103.752300][ T5873] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 103.760636][ T5931] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 103.848746][ T5873] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 103.945978][ T5873] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 104.600776][ T5873] 8021q: adding VLAN 0 to HW filter on device bond0 [ 104.649556][ T5873] 8021q: adding VLAN 0 to HW filter on device team0 [ 104.681267][ T64] bridge0: port 1(bridge_slave_0) entered blocking state [ 104.688697][ T64] bridge0: port 1(bridge_slave_0) entered forwarding state [ 104.720034][ T13] bridge0: port 2(bridge_slave_1) entered blocking state [ 104.727257][ T13] bridge0: port 2(bridge_slave_1) entered forwarding state [ 105.197904][ T5873] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 105.246894][ T5873] veth0_vlan: entered promiscuous mode [ 105.259793][ T5873] veth1_vlan: entered promiscuous mode [ 105.289555][ T5873] veth0_macvtap: entered promiscuous mode [ 105.299978][ T5873] veth1_macvtap: entered promiscuous mode [ 105.321278][ T5873] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 105.336351][ T5873] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 105.352003][ T13] netdevsim netdevsim2 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.363015][ T13] netdevsim netdevsim2 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.373356][ T13] netdevsim netdevsim2 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 105.382869][ T13] netdevsim netdevsim2 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 2025/07/06 14:30:31 executed programs: 0 [ 105.514608][ T5931] Bluetooth: hci1: unexpected cc 0x0c03 length: 249 > 1 [ 105.524302][ T5931] Bluetooth: hci1: unexpected cc 0x1003 length: 249 > 9 [ 105.534650][ T5931] Bluetooth: hci1: unexpected cc 0x1001 length: 249 > 9 [ 105.564913][ T5931] Bluetooth: hci1: unexpected cc 0x0c23 length: 249 > 4 [ 105.582669][ T5931] Bluetooth: hci1: unexpected cc 0x0c38 length: 249 > 2 [ 105.675318][ T5931] Bluetooth: hci2: unexpected cc 0x0c03 length: 249 > 1 [ 105.683908][ T5931] Bluetooth: hci2: unexpected cc 0x1003 length: 249 > 9 [ 105.691878][ T5931] Bluetooth: hci2: unexpected cc 0x1001 length: 249 > 9 [ 105.700177][ T5931] Bluetooth: hci2: unexpected cc 0x0c23 length: 249 > 4 [ 105.744697][ T5968] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 105.752647][ T5968] Bluetooth: hci2: unexpected cc 0x0c38 length: 249 > 2 [ 105.761725][ T5973] Bluetooth: hci4: unexpected cc 0x0c03 length: 249 > 1 [ 105.767396][ T5972] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 105.772132][ T5973] Bluetooth: hci4: unexpected cc 0x1003 length: 249 > 9 [ 105.785025][ T5973] Bluetooth: hci4: unexpected cc 0x1001 length: 249 > 9 [ 105.792133][ T5169] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 105.802711][ T5968] Bluetooth: hci3: unexpected cc 0x0c03 length: 249 > 1 [ 105.810284][ T5973] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 105.818756][ T5973] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 105.830659][ T5973] Bluetooth: hci3: unexpected cc 0x1003 length: 249 > 9 [ 105.838236][ T5973] Bluetooth: hci4: unexpected cc 0x0c23 length: 249 > 4 [ 105.846329][ T5973] Bluetooth: hci4: unexpected cc 0x0c38 length: 249 > 2 [ 105.854626][ T5973] Bluetooth: hci3: unexpected cc 0x1001 length: 249 > 9 [ 105.869342][ T5968] Bluetooth: hci3: unexpected cc 0x0c23 length: 249 > 4 [ 105.879803][ T5968] Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2 [ 106.407974][ T5956] chnl_net:caif_netlink_parms(): no params data found [ 106.462201][ T13] netdevsim netdevsim2 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.648440][ T5967] chnl_net:caif_netlink_parms(): no params data found [ 106.673236][ T5966] chnl_net:caif_netlink_parms(): no params data found [ 106.700619][ T13] netdevsim netdevsim2 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 106.914566][ T5956] bridge0: port 1(bridge_slave_0) entered blocking state [ 106.922430][ T5956] bridge0: port 1(bridge_slave_0) entered disabled state [ 106.932197][ T5956] bridge_slave_0: entered allmulticast mode [ 106.942907][ T5956] bridge_slave_0: entered promiscuous mode [ 106.953093][ T5956] bridge0: port 2(bridge_slave_1) entered blocking state [ 106.960549][ T5956] bridge0: port 2(bridge_slave_1) entered disabled state [ 106.967867][ T5956] bridge_slave_1: entered allmulticast mode [ 106.975251][ T5956] bridge_slave_1: entered promiscuous mode [ 107.052406][ T13] netdevsim netdevsim2 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.070770][ T5961] chnl_net:caif_netlink_parms(): no params data found [ 107.083968][ T5956] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.146825][ T5956] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.163301][ T13] netdevsim netdevsim2 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 107.179303][ T5967] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.186651][ T5967] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.193782][ T5967] bridge_slave_0: entered allmulticast mode [ 107.202202][ T5967] bridge_slave_0: entered promiscuous mode [ 107.209966][ T5969] chnl_net:caif_netlink_parms(): no params data found [ 107.240536][ T5966] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.249403][ T5966] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.256816][ T5966] bridge_slave_0: entered allmulticast mode [ 107.263911][ T5966] bridge_slave_0: entered promiscuous mode [ 107.316052][ T5967] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.323231][ T5967] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.330900][ T5967] bridge_slave_1: entered allmulticast mode [ 107.338213][ T5967] bridge_slave_1: entered promiscuous mode [ 107.375766][ T5966] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.382892][ T5966] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.390464][ T5966] bridge_slave_1: entered allmulticast mode [ 107.399869][ T5966] bridge_slave_1: entered promiscuous mode [ 107.420880][ T5956] team0: Port device team_slave_0 added [ 107.501211][ T5956] team0: Port device team_slave_1 added [ 107.542990][ T5967] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.603818][ T5961] bridge0: port 1(bridge_slave_0) entered blocking state [ 107.611121][ T5961] bridge0: port 1(bridge_slave_0) entered disabled state [ 107.619774][ T5961] bridge_slave_0: entered allmulticast mode [ 107.627918][ T5961] bridge_slave_0: entered promiscuous mode [ 107.637348][ T5956] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 107.644310][ T5956] 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. [ 107.671567][ T5956] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 107.675941][ T5968] Bluetooth: hci1: command tx timeout [ 107.689449][ T5967] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.708516][ T5966] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 107.729189][ T5961] bridge0: port 2(bridge_slave_1) entered blocking state [ 107.737747][ T5961] bridge0: port 2(bridge_slave_1) entered disabled state [ 107.745334][ T5961] bridge_slave_1: entered allmulticast mode [ 107.752825][ T5961] bridge_slave_1: entered promiscuous mode [ 107.760492][ T5956] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 107.767975][ T5956] 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. [ 107.794376][ T5956] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 107.859468][ T5966] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 107.905131][ T5968] Bluetooth: hci2: command tx timeout [ 107.905140][ T5973] Bluetooth: hci4: command tx timeout [ 107.905418][ T5973] Bluetooth: hci0: command tx timeout [ 107.952305][ T5967] team0: Port device team_slave_0 added [ 107.985860][ T5973] Bluetooth: hci3: command tx timeout [ 107.998047][ T5966] team0: Port device team_slave_0 added [ 108.014646][ T5961] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.027422][ T5961] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 108.070239][ T5967] team0: Port device team_slave_1 added [ 108.125819][ T5969] bridge0: port 1(bridge_slave_0) entered blocking state [ 108.132991][ T5969] bridge0: port 1(bridge_slave_0) entered disabled state [ 108.147029][ T5969] bridge_slave_0: entered allmulticast mode [ 108.160406][ T5969] bridge_slave_0: entered promiscuous mode [ 108.170932][ T5969] bridge0: port 2(bridge_slave_1) entered blocking state [ 108.183010][ T5969] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.191328][ T5969] bridge_slave_1: entered allmulticast mode [ 108.209282][ T5969] bridge_slave_1: entered promiscuous mode [ 108.228591][ T5966] team0: Port device team_slave_1 added [ 108.330727][ T5956] hsr_slave_0: entered promiscuous mode [ 108.340159][ T5956] hsr_slave_1: entered promiscuous mode [ 108.347226][ T5956] debugfs: 'hsr0' already exists in 'hsr' [ 108.353078][ T5956] Cannot create hsr debugfs directory [ 108.373028][ T5967] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.380038][ T5967] 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. [ 108.414237][ T5967] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.481243][ T5961] team0: Port device team_slave_0 added [ 108.491412][ T5961] team0: Port device team_slave_1 added [ 108.500085][ T5967] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.508152][ T5967] 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. [ 108.535238][ T5967] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.560906][ T5966] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 108.568041][ T5966] 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. [ 108.594260][ T5966] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 108.607925][ T5966] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 108.615585][ T5966] 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. [ 108.641691][ T5966] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 108.706436][ T5969] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 108.719337][ T13] bridge_slave_1: left allmulticast mode [ 108.725506][ T13] bridge_slave_1: left promiscuous mode [ 108.731889][ T13] bridge0: port 2(bridge_slave_1) entered disabled state [ 108.743249][ T13] bridge_slave_0: left allmulticast mode [ 108.749070][ T13] bridge_slave_0: left promiscuous mode [ 108.755324][ T13] bridge0: port 1(bridge_slave_0) entered disabled state [ 109.050259][ T13] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 109.063736][ T13] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 109.074462][ T13] bond0 (unregistering): Released all slaves [ 109.161478][ T5961] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 109.168631][ T5961] 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. [ 109.196847][ T5961] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 109.209704][ T5961] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 109.217564][ T5961] 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. [ 109.243984][ T5961] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 109.258761][ T5969] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 109.382496][ T5969] team0: Port device team_slave_0 added [ 109.409711][ T5966] hsr_slave_0: entered promiscuous mode [ 109.416909][ T5966] hsr_slave_1: entered promiscuous mode [ 109.423046][ T5966] debugfs: 'hsr0' already exists in 'hsr' [ 109.429809][ T5966] Cannot create hsr debugfs directory [ 109.479837][ T13] hsr_slave_0: left promiscuous mode [ 109.488920][ T13] hsr_slave_1: left promiscuous mode [ 109.500142][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 109.512174][ T13] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 109.520493][ T13] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 109.529077][ T13] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 109.547867][ T13] veth1_macvtap: left promiscuous mode [ 109.553604][ T13] veth0_macvtap: left promiscuous mode [ 109.559316][ T13] veth1_vlan: left promiscuous mode [ 109.564849][ T13] veth0_vlan: left promiscuous mode [ 109.745151][ T5973] Bluetooth: hci1: command tx timeout [ 109.902276][ T13] team0 (unregistering): Port device team_slave_1 removed [ 109.933158][ T13] team0 (unregistering): Port device team_slave_0 removed [ 109.985003][ T5973] Bluetooth: hci0: command tx timeout [ 109.985020][ T5972] Bluetooth: hci2: command tx timeout [ 109.990460][ T5973] Bluetooth: hci4: command tx timeout