[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.106' (ECDSA) to the list of known hosts. 2021/04/01 19:15:16 parsed 1 programs 2021/04/01 19:15:16 executed programs: 0 syzkaller login: [ 409.251792] IPVS: ftp: loaded support on port[0] = 21 [ 409.332715] chnl_net:caif_netlink_parms(): no params data found [ 409.427585] bridge0: port 1(bridge_slave_0) entered blocking state [ 409.434681] bridge0: port 1(bridge_slave_0) entered disabled state [ 409.442837] device bridge_slave_0 entered promiscuous mode [ 409.449699] bridge0: port 2(bridge_slave_1) entered blocking state [ 409.456188] bridge0: port 2(bridge_slave_1) entered disabled state [ 409.463532] device bridge_slave_1 entered promiscuous mode [ 409.479424] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 409.488391] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 409.505947] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 409.513080] team0: Port device team_slave_0 added [ 409.518417] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 409.525780] team0: Port device team_slave_1 added [ 409.539813] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 409.546132] 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. [ 409.571344] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 409.582751] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 409.588978] 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. [ 409.614190] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 409.624704] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 409.632219] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 409.650964] device hsr_slave_0 entered promiscuous mode [ 409.656597] device hsr_slave_1 entered promiscuous mode [ 409.662788] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 409.669764] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 409.729070] bridge0: port 2(bridge_slave_1) entered blocking state [ 409.735513] bridge0: port 2(bridge_slave_1) entered forwarding state [ 409.742389] bridge0: port 1(bridge_slave_0) entered blocking state [ 409.748734] bridge0: port 1(bridge_slave_0) entered forwarding state [ 409.776939] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 409.783903] 8021q: adding VLAN 0 to HW filter on device bond0 [ 409.791859] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 409.799669] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 409.818657] bridge0: port 1(bridge_slave_0) entered disabled state [ 409.825704] bridge0: port 2(bridge_slave_1) entered disabled state [ 409.835351] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 409.841624] 8021q: adding VLAN 0 to HW filter on device team0 [ 409.849640] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 409.857740] bridge0: port 1(bridge_slave_0) entered blocking state [ 409.864165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 409.873802] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 409.881708] bridge0: port 2(bridge_slave_1) entered blocking state [ 409.888034] bridge0: port 2(bridge_slave_1) entered forwarding state [ 409.906203] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 409.916164] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 409.927617] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 409.934849] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 409.942584] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 409.950870] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 409.958385] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 409.966190] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 409.973012] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 409.985331] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 409.992671] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 409.999282] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 410.009547] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 410.059235] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 410.069632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 410.093719] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 410.101228] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 410.107597] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 410.117749] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 410.125579] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 410.132622] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 410.141126] device veth0_vlan entered promiscuous mode [ 410.149211] device veth1_vlan entered promiscuous mode [ 410.155490] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 410.163666] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 410.174553] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 410.183513] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 410.190954] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 410.198079] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 410.207497] device veth0_macvtap entered promiscuous mode [ 410.213877] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 410.222646] device veth1_macvtap entered promiscuous mode [ 410.231218] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 410.239839] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 410.249753] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 410.257629] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 410.265956] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 410.275606] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 410.282781] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 410.330663] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 410.381872] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 411.280892] Bluetooth: hci0 command 0x0409 tx timeout 2021/04/01 19:15:21 executed programs: 44 [ 413.360018] Bluetooth: hci0 command 0x041b tx timeout [ 415.441272] Bluetooth: hci0 command 0x040f tx timeout [ 417.529661] Bluetooth: hci0 command 0x0419 tx timeout 2021/04/01 19:15:26 executed programs: 125 2021/04/01 19:15:31 executed programs: 212 2021/04/01 19:15:36 executed programs: 291 [ 433.111571] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 433.118455] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 433.128503] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 433.136294] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 433.147324] device bridge_slave_1 left promiscuous mode [ 433.153884] bridge0: port 2(bridge_slave_1) entered disabled state [ 433.165675] device bridge_slave_0 left promiscuous mode [ 433.172246] bridge0: port 1(bridge_slave_0) entered disabled state [ 433.186739] device veth1_macvtap left promiscuous mode [ 433.192362] device veth0_macvtap left promiscuous mode [ 433.197644] device veth1_vlan left promiscuous mode [ 433.203004] device veth0_vlan left promiscuous mode [ 433.272003] device hsr_slave_1 left promiscuous mode [ 433.278640] device hsr_slave_0 left promiscuous mode [ 433.292496] team0 (unregistering): Port device team_slave_1 removed [ 433.301010] team0 (unregistering): Port device team_slave_0 removed [ 433.310937] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 433.320622] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 433.342053] bond0 (unregistering): Released all slaves [ 433.441503] [ 433.443139] ============================= [ 433.447260] WARNING: suspicious RCU usage [ 433.452498] 4.14.228-syzkaller #0 Not tainted [ 433.456999] ----------------------------- [ 433.461285] include/net/sock.h:1800 suspicious rcu_dereference_protected() usage! [ 433.468997] [ 433.468997] other info that might help us debug this: [ 433.468997] [ 433.477130] [ 433.477130] rcu_scheduler_active = 2, debug_locks = 1 [ 433.483829] 4 locks held by kworker/u4:1/8041: [ 433.488452] #0: ("%s""netns"){+.+.}, at: [] process_one_work+0x6b0/0x14a0 [ 433.497184] #1: (net_cleanup_work){+.+.}, at: [] process_one_work+0x6e6/0x14a0 [ 433.506402] #2: (net_mutex){+.+.}, at: [] cleanup_net+0x110/0x840 [ 433.514432] #3: (rtnl_mutex){+.+.}, at: [] netdev_run_todo+0x20e/0xad0 [ 433.522956] [ 433.522956] stack backtrace: [ 433.527489] CPU: 1 PID: 8041 Comm: kworker/u4:1 Not tainted 4.14.228-syzkaller #0 [ 433.535083] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.544422] Workqueue: netns cleanup_net [ 433.548460] Call Trace: [ 433.551027] dump_stack+0x1b2/0x281 [ 433.554634] ? bictcp_cwnd_event+0x120/0x120 [ 433.559021] tcp_disconnect+0x1412/0x1890 [ 433.563149] rds_tcp_dev_event+0x73f/0xa30 [ 433.567357] ? rds_tcp_exit+0x490/0x490 [ 433.571307] ? hsr_netdev_notify+0x195/0x8b0 [ 433.575698] notifier_call_chain+0x108/0x1a0 [ 433.580090] netdev_run_todo+0x242/0xad0 [ 433.584130] ? dev_set_mtu+0x3c0/0x3c0 [ 433.587996] default_device_exit_batch+0x2e2/0x380 [ 433.592920] ? unregister_netdevice_many+0x50/0x50 [ 433.597899] ? do_wait_intr_irq+0x270/0x270 [ 433.602211] ? __local_bh_enable_ip+0xc1/0x170 [ 433.606911] ? unregister_netdevice_many+0x50/0x50 [ 433.611818] ? dev_change_net_namespace+0xc90/0xc90 [ 433.616812] ops_exit_list+0xf9/0x150 [ 433.622609] cleanup_net+0x3b3/0x840 [ 433.626338] ? net_drop_ns+0x70/0x70 [ 433.630083] ? lock_acquire+0x170/0x3f0 [ 433.634058] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 433.639488] process_one_work+0x793/0x14a0 [ 433.643703] ? work_busy+0x320/0x320 [ 433.647393] ? worker_thread+0x158/0xff0 [ 433.651434] ? _raw_spin_unlock_irq+0x24/0x80 [ 433.655907] worker_thread+0x5cc/0xff0 [ 433.659776] ? rescuer_thread+0xc80/0xc80 [ 433.663901] kthread+0x30d/0x420 [ 433.667242] ? kthread_create_on_node+0xd0/0xd0 [ 433.671887] ret_from_fork+0x24/0x30 [ 434.578080] IPVS: ftp: loaded support on port[0] = 21 [ 434.697254] chnl_net:caif_netlink_parms(): no params data found [ 434.748107] bridge0: port 1(bridge_slave_0) entered blocking state [ 434.754535] bridge0: port 1(bridge_slave_0) entered disabled state [ 434.761763] device bridge_slave_0 entered promiscuous mode [ 434.768183] bridge0: port 2(bridge_slave_1) entered blocking state [ 434.775063] bridge0: port 2(bridge_slave_1) entered disabled state [ 434.783075] device bridge_slave_1 entered promiscuous mode [ 434.799390] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 434.807898] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 434.824788] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 434.832020] team0: Port device team_slave_0 added [ 434.837302] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 434.844527] team0: Port device team_slave_1 added [ 434.858881] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 434.865138] 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. [ 434.890926] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 434.901889] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 434.908114] 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. [ 434.933353] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 434.943958] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 434.951433] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 434.970265] device hsr_slave_0 entered promiscuous mode [ 434.975837] device hsr_slave_1 entered promiscuous mode [ 434.981940] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 434.989035] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 435.045623] bridge0: port 2(bridge_slave_1) entered blocking state [ 435.052024] bridge0: port 2(bridge_slave_1) entered forwarding state [ 435.058749] bridge0: port 1(bridge_slave_0) entered blocking state [ 435.065092] bridge0: port 1(bridge_slave_0) entered forwarding state [ 435.092617] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 435.099348] 8021q: adding VLAN 0 to HW filter on device bond0 [ 435.106865] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 435.115438] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 435.123131] bridge0: port 1(bridge_slave_0) entered disabled state [ 435.130176] bridge0: port 2(bridge_slave_1) entered disabled state [ 435.139183] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 435.145244] 8021q: adding VLAN 0 to HW filter on device team0 [ 435.153608] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 435.161347] bridge0: port 1(bridge_slave_0) entered blocking state [ 435.167712] bridge0: port 1(bridge_slave_0) entered forwarding state [ 435.185562] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 435.195407] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 435.206633] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 435.213382] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 435.221392] bridge0: port 2(bridge_slave_1) entered blocking state [ 435.227771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 435.235946] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 435.243832] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 435.251699] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 435.259454] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 435.266857] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 435.274117] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 435.286174] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 435.296392] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 435.302794] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 435.313338] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 435.353760] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 435.363592] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 435.391535] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 435.398393] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 435.406369] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 435.415500] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 435.423979] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 435.431304] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 435.440273] device veth0_vlan entered promiscuous mode [ 435.450586] device veth1_vlan entered promiscuous mode [ 435.456284] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 435.464844] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 435.474844] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 435.483683] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 435.491198] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 435.498312] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 435.507625] device veth0_macvtap entered promiscuous mode [ 435.513814] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 435.521825] device veth1_macvtap entered promiscuous mode [ 435.530271] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 435.539293] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 435.548217] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 435.555900] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 435.564048] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 435.573491] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 435.580339] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2021/04/01 19:15:43 executed programs: 363 [ 435.689130] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 436.980786] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 436.987501] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 436.996466] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 437.003463] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 437.021147] device bridge_slave_1 left promiscuous mode [ 437.026787] bridge0: port 2(bridge_slave_1) entered disabled state [ 437.035709] device bridge_slave_0 left promiscuous mode [ 437.042145] bridge0: port 1(bridge_slave_0) entered disabled state [ 437.053019] device veth1_macvtap left promiscuous mode [ 437.058308] device veth0_macvtap left promiscuous mode [ 437.064414] device veth1_vlan left promiscuous mode [ 437.069998] device veth0_vlan left promiscuous mode [ 437.126627] device hsr_slave_1 left promiscuous mode [ 437.139894] device hsr_slave_0 left promiscuous mode [ 437.151360] team0 (unregistering): Port device team_slave_1 removed [ 437.160424] team0 (unregistering): Port device team_slave_0 removed [ 437.168583] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 437.177442] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 437.197997] bond0 (unregistering): Released all slaves [ 438.653160] IPVS: ftp: loaded support on port[0] = 21 [ 438.742336] chnl_net:caif_netlink_parms(): no params data found [ 438.787977] bridge0: port 1(bridge_slave_0) entered blocking state [ 438.794432] bridge0: port 1(bridge_slave_0) entered disabled state [ 438.802430] device bridge_slave_0 entered promiscuous mode [ 438.809589] bridge0: port 2(bridge_slave_1) entered blocking state [ 438.815948] bridge0: port 2(bridge_slave_1) entered disabled state [ 438.823369] device bridge_slave_1 entered promiscuous mode [ 438.839758] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 438.848797] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 438.865196] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 438.872981] team0: Port device team_slave_0 added [ 438.878245] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 438.885523] team0: Port device team_slave_1 added [ 438.899997] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 438.906233] 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. [ 438.931770] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 438.942724] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 438.949016] 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. [ 438.974583] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 438.985260] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 438.992895] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 439.011577] device hsr_slave_0 entered promiscuous mode [ 439.017235] device hsr_slave_1 entered promiscuous mode [ 439.023952] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 439.031283] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 439.090410] bridge0: port 2(bridge_slave_1) entered blocking state [ 439.096766] bridge0: port 2(bridge_slave_1) entered forwarding state [ 439.103425] bridge0: port 1(bridge_slave_0) entered blocking state [ 439.109820] bridge0: port 1(bridge_slave_0) entered forwarding state [ 439.135011] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 439.141515] 8021q: adding VLAN 0 to HW filter on device bond0 [ 439.149643] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 439.157170] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 439.164406] bridge0: port 1(bridge_slave_0) entered disabled state [ 439.171407] bridge0: port 2(bridge_slave_1) entered disabled state [ 439.179574] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 439.186363] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 439.195609] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 439.201741] 8021q: adding VLAN 0 to HW filter on device team0 [ 439.209864] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 439.217394] bridge0: port 1(bridge_slave_0) entered blocking state [ 439.223777] bridge0: port 1(bridge_slave_0) entered forwarding state [ 439.239112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 439.246652] bridge0: port 2(bridge_slave_1) entered blocking state [ 439.253152] bridge0: port 2(bridge_slave_1) entered forwarding state [ 439.260272] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 439.267761] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 439.275534] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 439.284587] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 439.294520] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 439.303405] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 439.309619] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 439.321444] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 439.329133] IPv6: ADDRCONF(NETDEV_UP): vxcan1: link is not ready [ 439.335481] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 439.342759] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 439.352511] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 439.399966] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 439.410041] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 439.439731] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 439.446572] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 439.454083] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 439.462779] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 439.470497] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 439.477258] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 439.486276] device veth0_vlan entered promiscuous mode [ 439.494759] device veth1_vlan entered promiscuous mode [ 439.500830] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 439.509385] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 439.519583] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 439.528173] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 439.535798] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 439.543211] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 439.551995] device veth0_macvtap entered promiscuous mode [ 439.557973] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 439.566809] device veth1_macvtap entered promiscuous mode [ 439.575211] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 439.584042] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 439.593466] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 439.600450] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 439.608579] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 439.617816] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 439.624631] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 439.779369] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 440.751026] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 440.757743] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 440.767363] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 440.774826] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 440.783739] device bridge_slave_1 left promiscuous mode [ 440.790076] bridge0: port 2(bridge_slave_1) entered disabled state [ 440.797591] device bridge_slave_0 left promiscuous mode [ 440.804587] bridge0: port 1(bridge_slave_0) entered disabled state [ 440.815252] device veth1_macvtap left promiscuous mode [ 440.821037] device veth0_macvtap left promiscuous mode [ 440.826328] device veth1_vlan left promiscuous mode [ 440.832140] device veth0_vlan left promiscuous mode [ 440.887408] device hsr_slave_1 left promiscuous mode [ 440.897470] device hsr_slave_0 left promiscuous mode [ 440.910624] team0 (unregistering): Port device team_slave_1 removed [ 440.919388] team0 (unregistering): Port device team_slave_0 removed [ 440.927481] bond0 (unregistering): Releasing backup interface bond_slave_1 [ 440.939497] bond0 (unregistering): Releasing backup interface bond_slave_0 [ 440.959935] bond0 (unregistering): Released all slaves [ 442.336592] IPVS: ftp: loaded support on port[0] = 21 [ 442.422052] chnl_net:caif_netlink_parms(): no params data found [ 442.466631] bridge0: port 1(bridge_slave_0) entered blocking state [ 442.474221] bridge0: port 1(bridge_slave_0) entered disabled state [ 442.481752] device bridge_slave_0 entered promiscuous mode [ 442.488158] bridge0: port 2(bridge_slave_1) entered blocking state [ 442.495426] bridge0: port 2(bridge_slave_1) entered disabled state [ 442.502953] device bridge_slave_1 entered promiscuous mode [ 442.518661] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 442.527316] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 442.544213] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 442.551960] team0: Port device team_slave_0 added [ 442.557276] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 442.564571] team0: Port device team_slave_1 added [ 442.578773] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 442.585020] 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. [ 442.610293] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 442.621141] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 442.627366] 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. [ 442.652578] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 442.665771] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 442.673341] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 442.691245] device hsr_slave_0 entered promiscuous mode [ 442.696819] device hsr_slave_1 entered promiscuous mode [ 442.702953] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 442.710086] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 442.766768] bridge0: port 2(bridge_slave_1) entered blocking state [ 442.773165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 442.779807] bridge0: port 1(bridge_slave_0) entered blocking state [ 442.786144] bridge0: port 1(bridge_slave_0) entered forwarding state [ 442.812276] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 442.819331] 8021q: adding VLAN 0 to HW filter on device bond0 [ 442.826767] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 442.835210] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 442.843407] bridge0: port 1(bridge_slave_0) entered disabled state [ 442.850208] bridge0: port 2(bridge_slave_1) entered disabled state [ 442.859710] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 442.865771] 8021q: adding VLAN 0 to HW filter on device team0 [ 442.874241] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 442.882218] bridge0: port 1(bridge_slave_0) entered blocking state [ 442.888614] bridge0: port 1(bridge_slave_0) entered forwarding state [ 442.897447] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 442.905477] bridge0: port 2(bridge_slave_1) entered blocking state [ 442.911858] bridge0: port 2(bridge_slave_1) entered forwarding state [ 442.924822] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 442.933159] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 442.942727] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 442.952487] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 442.962642] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 442.972818] IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready [ 442.979263] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 442.986108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 442.997715] IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready [ 443.005778] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 443.012592] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 443.022833] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 443.071977] IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready [ 443.081870] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 443.109456] IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready [ 443.116481] IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready [ 443.124268] IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready [ 443.133854] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 443.141430] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 443.148321] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 443.157091] device veth0_vlan entered promiscuous mode [ 443.165796] device veth1_vlan entered promiscuous mode [ 443.171778] IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready [ 443.180860] IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready [ 443.191348] IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready [ 443.200796] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 443.207881] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 443.215474] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 443.224838] device veth0_macvtap entered promiscuous mode [ 443.231161] IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready [ 443.239078] device veth1_macvtap entered promiscuous mode [ 443.247383] IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready [ 443.256299] IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready [ 443.265438] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 443.272306] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 443.280671] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 443.290139] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 443.299290] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready 2021/04/01 19:15:51 executed programs: 380 [ 443.418590] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready