[ 11.983906][ T260] br0: port 1(s0) entered blocking state [ 11.984356][ T260] br0: port 1(s0) entered disabled state [ 11.984696][ T260] s0: entered allmulticast mode [ 11.986022][ T260] s0: entered promiscuous mode [ 12.101523][ T261] bond0: (slave eth0): making interface the new active one [ 12.102488][ T261] bond0: (slave eth0): Enslaving as an active interface with an up link [ 12.113506][ T261] ip (261) used greatest stack depth: 24584 bytes left [ 12.116800][ T41] br0: port 1(s0) entered blocking state [ 12.117282][ T41] br0: port 1(s0) entered forwarding state [ 12.560750][ T266] br0: port 2(s1) entered blocking state [ 12.560977][ T266] br0: port 2(s1) entered disabled state [ 12.561181][ T266] s1: entered allmulticast mode [ 12.563751][ T266] s1: entered promiscuous mode [ 12.676508][ T267] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 12.677536][ T46] br0: port 2(s1) entered blocking state [ 12.677720][ T46] br0: port 2(s1) entered forwarding state [ 13.492895][ T275] br0: port 3(c0) entered blocking state [ 13.493203][ T275] br0: port 3(c0) entered disabled state [ 13.493710][ T275] c0: entered allmulticast mode [ 13.495313][ T275] c0: entered promiscuous mode [ 13.598771][ T41] br0: port 3(c0) entered blocking state [ 13.599114][ T41] br0: port 3(c0) entered forwarding state [ 14.622797][ T285] bond0 (unregistering): (slave eth0): Releasing backup interface [ 14.641896][ T285] bond0 (unregistering): (slave eth1): Releasing backup interface [ 14.665101][ T285] bond0 (unregistering): Released all slaves [ 14.677918][ T46] br0: port 1(s0) entered disabled state [ 14.679974][ T46] br0: port 2(s1) entered disabled state [ 14.978492][ T289] bond0: (slave eth0): making interface the new active one [ 14.979381][ T289] bond0: (slave eth0): Enslaving as an active interface with an up link [ 14.980338][ T155] br0: port 1(s0) entered blocking state [ 14.980638][ T155] br0: port 1(s0) entered forwarding state [ 15.071919][ T290] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 15.072577][ T46] br0: port 2(s1) entered blocking state [ 15.072850][ T46] br0: port 2(s1) entered forwarding state [ 17.317379][ T309] ip (309) used greatest stack depth: 24112 bytes left [ 17.404077][ T310] eth0: entered promiscuous mode [ 28.117666][ T355] eth0: left promiscuous mode [ 28.558430][ T356] bond0 (unregistering): (slave eth0): Releasing backup interface [ 28.580519][ T356] bond0 (unregistering): (slave eth1): Releasing backup interface [ 28.603551][ T356] bond0 (unregistering): Released all slaves [ 28.612799][ T155] br0: port 1(s0) entered disabled state [ 28.615193][ T155] br0: port 2(s1) entered disabled state [ 28.656182][ T356] ip (356) used greatest stack depth: 23392 bytes left [ 28.943341][ T360] bond0: (slave eth0): making interface the new active one [ 28.944001][ T360] bond0: (slave eth0): Enslaving as an active interface with an up link [ 28.944523][ T41] br0: port 1(s0) entered blocking state [ 28.944913][ T41] br0: port 1(s0) entered forwarding state [ 29.043557][ T361] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 29.044216][ T46] br0: port 2(s1) entered blocking state [ 29.044480][ T46] br0: port 2(s1) entered forwarding state [ 31.260111][ T241] [ 31.260384][ T241] ============================= [ 31.260550][ T241] WARNING: suspicious RCU usage [ 31.260716][ T241] 6.14.0-rc6-virtme #1 Not tainted [ 31.260867][ T241] ----------------------------- [ 31.261015][ T241] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 31.261288][ T241] [ 31.261288][ T241] other info that might help us debug this: [ 31.261288][ T241] [ 31.261602][ T241] [ 31.261602][ T241] rcu_scheduler_active = 2, debug_locks = 1 [ 31.261816][ T241] 3 locks held by kworker/1:2/241: [ 31.261963][ T241] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 31.262319][ T241] #1: ffffc90000a87d40 ((work_completion)(&port->wq)){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 31.262623][ T241] #2: ffffffffa2f5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 31.262907][ T241] [ 31.262907][ T241] stack backtrace: [ 31.263093][ T241] CPU: 1 UID: 0 PID: 241 Comm: kworker/1:2 Not tainted 6.14.0-rc6-virtme #1 [ 31.263098][ T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.263101][ T241] Workqueue: events ipvlan_process_multicast [ 31.263120][ T241] Call Trace: [ 31.263125][ T241] [ 31.263129][ T241] dump_stack_lvl+0xb0/0xd0 [ 31.263150][ T241] lockdep_rcu_suspicious+0x1ea/0x280 [ 31.263168][ T241] dev_hard_start_xmit+0x2fc/0x3f0 [ 31.263179][ T241] __dev_queue_xmit+0xef9/0x1850 [ 31.263195][ T241] ? __pfx___dev_queue_xmit+0x10/0x10 [ 31.263199][ T241] ? find_held_lock+0x2c/0x110 [ 31.263207][ T241] ? __lock_release+0x103/0x460 [ 31.263209][ T241] ? ipvlan_process_multicast+0x746/0xc70 [ 31.263214][ T241] ? __pfx___lock_release+0x10/0x10 [ 31.263217][ T241] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.263230][ T241] ? ipvlan_process_multicast+0x746/0xc70 [ 31.263238][ T241] ipvlan_process_multicast+0x8c9/0xc70 [ 31.263254][ T241] ? __pfx_ipvlan_process_multicast+0x10/0x10 [ 31.263260][ T241] ? __pfx___lock_release+0x10/0x10 [ 31.263264][ T241] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.263269][ T241] ? trace_lock_acquire+0x14c/0x1f0 [ 31.263272][ T241] ? trace_lock_acquire+0x14c/0x1f0 [ 31.263279][ T241] ? lock_acquire+0x32/0xc0 [ 31.263287][ T241] ? process_one_work+0xe55/0x16d0 [ 31.263291][ T241] ? process_one_work+0xe0b/0x16d0 [ 31.263293][ T241] process_one_work+0xe55/0x16d0 [ 31.263308][ T241] ? __pfx___lock_release+0x10/0x10 [ 31.263313][ T241] ? __pfx_process_one_work+0x10/0x10 [ 31.263326][ T241] ? assign_work+0x16c/0x240 [ 31.263335][ T241] worker_thread+0x58c/0xce0 [ 31.263340][ T241] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.263351][ T241] ? __pfx_worker_thread+0x10/0x10 [ 31.263357][ T241] kthread+0x359/0x5d0 [ 31.263365][ T241] ? __pfx_kthread+0x10/0x10 [ 31.263375][ T241] ? __pfx_kthread+0x10/0x10 [ 31.263382][ T241] ret_from_fork+0x31/0x70 [ 31.263392][ T241] ? __pfx_kthread+0x10/0x10 [ 31.263396][ T241] ret_from_fork_asm+0x1a/0x30 [ 31.263428][ T241] [ 42.415769][ T427] bond0 (unregistering): (slave eth0): Releasing backup interface [ 42.437356][ T427] bond0 (unregistering): (slave eth1): Releasing backup interface [ 42.457326][ T427] bond0 (unregistering): Released all slaves [ 42.465525][ T41] br0: port 1(s0) entered disabled state [ 42.467154][ T41] br0: port 2(s1) entered disabled state [ 42.796377][ T432] bond0: (slave eth0): making interface the new active one [ 42.797678][ T432] bond0: (slave eth0): Enslaving as an active interface with an up link [ 42.798675][ T41] br0: port 1(s0) entered blocking state [ 42.798950][ T41] br0: port 1(s0) entered forwarding state [ 42.907746][ T433] bond0: (slave eth1): Enslaving as an active interface with an up link [ 42.916431][ T46] br0: port 2(s1) entered blocking state [ 42.916648][ T46] br0: port 2(s1) entered forwarding state [ 45.075654][ T453] eth0: entered promiscuous mode [ 55.754158][ T498] eth0: left promiscuous mode [ 56.173429][ T499] bond0 (unregistering): (slave eth0): Releasing active interface [ 56.195927][ T499] bond0 (unregistering): (slave eth1): Releasing active interface [ 56.214467][ T499] bond0 (unregistering): Released all slaves [ 56.229102][ T41] br0: port 1(s0) entered disabled state [ 56.230721][ T41] br0: port 2(s1) entered disabled state [ 56.534187][ T503] bond0: (slave eth0): making interface the new active one [ 56.535292][ T503] bond0: (slave eth0): Enslaving as an active interface with an up link [ 56.537050][ T46] br0: port 1(s0) entered blocking state [ 56.537383][ T46] br0: port 1(s0) entered forwarding state [ 56.639096][ T504] bond0: (slave eth1): Enslaving as an active interface with an up link [ 56.639966][ T155] br0: port 2(s1) entered blocking state [ 56.640375][ T155] br0: port 2(s1) entered forwarding state [ 70.080111][ T567] bond0 (unregistering): (slave eth0): Releasing active interface [ 70.095724][ T567] bond0 (unregistering): (slave eth1): Releasing active interface [ 70.113505][ T567] bond0 (unregistering): Released all slaves [ 70.122528][ T155] br0: port 1(s0) entered disabled state [ 70.123579][ T155] br0: port 2(s1) entered disabled state [ 70.372252][ T571] bond0: (slave eth0): making interface the new active one [ 70.373185][ T571] bond0: (slave eth0): Enslaving as an active interface with an up link [ 70.373752][ T46] br0: port 1(s0) entered blocking state [ 70.373943][ T46] br0: port 1(s0) entered forwarding state [ 70.468204][ T572] bond0: (slave eth1): Enslaving as an active interface with an up link [ 70.468858][ T41] br0: port 2(s1) entered blocking state [ 70.469087][ T41] br0: port 2(s1) entered forwarding state [ 72.314609][ T589] eth0: entered promiscuous mode [ 82.797220][ T634] eth0: left promiscuous mode [ 83.245690][ T635] bond0 (unregistering): (slave eth0): Releasing active interface [ 83.264205][ T635] bond0 (unregistering): (slave eth1): Releasing active interface [ 83.287363][ T635] bond0 (unregistering): Released all slaves [ 83.304472][ T46] br0: port 1(s0) entered disabled state [ 83.305961][ T46] br0: port 2(s1) entered disabled state [ 83.610263][ T639] bond0: (slave eth0): making interface the new active one [ 83.611858][ T639] bond0: (slave eth0): Enslaving as an active interface with an up link [ 83.612745][ T155] br0: port 1(s0) entered blocking state [ 83.612983][ T155] br0: port 1(s0) entered forwarding state [ 83.703540][ T640] bond0: (slave eth1): Enslaving as an active interface with an up link [ 83.704141][ T46] br0: port 2(s1) entered blocking state [ 83.704407][ T46] br0: port 2(s1) entered forwarding state [ 96.125291][ T699] br0: port 3(c0) entered disabled state [ 96.283993][ T699] c0 (unregistering): left allmulticast mode [ 96.284367][ T699] c0 (unregistering): left promiscuous mode [ 96.284609][ T699] br0: port 3(c0) entered disabled state [ 96.713414][ T706] br0: port 1(s0) entered disabled state [ 96.760966][ T706] bond0: (slave eth0): Releasing active interface [ 96.761421][ T706] bond0: (slave eth0): the permanent HWaddr of slave - 12:e6:e6:b8:aa:b4 - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts [ 96.762260][ T706] bond0: (slave eth1): making interface the new active one [ 96.824079][ T706] s0 (unregistering): left allmulticast mode [ 96.824494][ T706] s0 (unregistering): left promiscuous mode [ 96.824737][ T706] br0: port 1(s0) entered disabled state [ 96.944549][ T707] br0: port 2(s1) entered disabled state [ 97.023132][ T707] bond0: (slave eth1): Releasing active interface [ 97.137025][ T707] s1 (unregistering): left allmulticast mode [ 97.137434][ T707] s1 (unregistering): left promiscuous mode [ 97.137686][ T707] br0: port 2(s1) entered disabled state [ 97.644075][ T12] bond0 (unregistering): Released all slaves