[ 11.265248][ T259] br0: port 1(s0) entered blocking state [ 11.265635][ T259] br0: port 1(s0) entered disabled state [ 11.266719][ T259] s0: entered allmulticast mode [ 11.268014][ T259] s0: entered promiscuous mode [ 11.373601][ T260] bond0: (slave eth0): making interface the new active one [ 11.374346][ T260] bond0: (slave eth0): Enslaving as an active interface with an up link [ 11.376454][ T40] br0: port 1(s0) entered blocking state [ 11.376900][ T40] br0: port 1(s0) entered forwarding state [ 11.383477][ T260] ip (260) used greatest stack depth: 23344 bytes left [ 11.785134][ T265] br0: port 2(s1) entered blocking state [ 11.785381][ T265] br0: port 2(s1) entered disabled state [ 11.785576][ T265] s1: entered allmulticast mode [ 11.786713][ T265] s1: entered promiscuous mode [ 11.869792][ T266] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 11.870822][ T40] br0: port 2(s1) entered blocking state [ 11.870995][ T40] br0: port 2(s1) entered forwarding state [ 12.554057][ T276] br0: port 3(c0) entered blocking state [ 12.554261][ T276] br0: port 3(c0) entered disabled state [ 12.554459][ T276] c0: entered allmulticast mode [ 12.556721][ T276] c0: entered promiscuous mode [ 12.638009][ T40] br0: port 3(c0) entered blocking state [ 12.638223][ T40] br0: port 3(c0) entered forwarding state [ 13.537059][ T286] bond0 (unregistering): (slave eth0): Releasing backup interface [ 13.553869][ T286] bond0 (unregistering): (slave eth1): Releasing backup interface [ 13.581280][ T286] bond0 (unregistering): Released all slaves [ 13.590173][ T39] br0: port 1(s0) entered disabled state [ 13.591859][ T39] br0: port 2(s1) entered disabled state [ 13.840840][ T290] bond0: (slave eth0): making interface the new active one [ 13.841492][ T290] bond0: (slave eth0): Enslaving as an active interface with an up link [ 13.842078][ T38] br0: port 1(s0) entered blocking state [ 13.842269][ T38] br0: port 1(s0) entered forwarding state [ 13.920330][ T291] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 13.920875][ T40] br0: port 2(s1) entered blocking state [ 13.921082][ T40] br0: port 2(s1) entered forwarding state [ 15.948452][ T311] eth0: entered promiscuous mode [ 26.147122][ T356] eth0: left promiscuous mode [ 26.568760][ T357] bond0 (unregistering): (slave eth0): Releasing backup interface [ 26.586956][ T357] bond0 (unregistering): (slave eth1): Releasing backup interface [ 26.606195][ T357] bond0 (unregistering): Released all slaves [ 26.620941][ T40] br0: port 1(s0) entered disabled state [ 26.622772][ T40] br0: port 2(s1) entered disabled state [ 26.909227][ T361] bond0: (slave eth0): making interface the new active one [ 26.909816][ T361] bond0: (slave eth0): Enslaving as an active interface with an up link [ 26.910414][ T154] br0: port 1(s0) entered blocking state [ 26.910660][ T154] br0: port 1(s0) entered forwarding state [ 27.005650][ T362] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 27.006371][ T154] br0: port 2(s1) entered blocking state [ 27.006642][ T154] br0: port 2(s1) entered forwarding state [ 29.144477][ T272] [ 29.144720][ T272] ============================= [ 29.144881][ T272] WARNING: suspicious RCU usage [ 29.145074][ T272] 6.14.0-rc6-virtme #1 Not tainted [ 29.145235][ T272] ----------------------------- [ 29.145393][ T272] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 29.145644][ T272] [ 29.145644][ T272] other info that might help us debug this: [ 29.145644][ T272] [ 29.145932][ T272] [ 29.145932][ T272] rcu_scheduler_active = 2, debug_locks = 1 [ 29.146162][ T272] 3 locks held by kworker/1:2/272: [ 29.146329][ T272] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 29.146659][ T272] #1: ffffc90000d47d40 ((work_completion)(&port->wq)){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 29.146962][ T272] #2: ffffffffa535b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 29.147448][ T272] [ 29.147448][ T272] stack backtrace: [ 29.147646][ T272] CPU: 1 UID: 0 PID: 272 Comm: kworker/1:2 Not tainted 6.14.0-rc6-virtme #1 [ 29.147651][ T272] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 29.147653][ T272] Workqueue: events ipvlan_process_multicast [ 29.147661][ T272] Call Trace: [ 29.147663][ T272] [ 29.147667][ T272] dump_stack_lvl+0xb0/0xd0 [ 29.147674][ T272] lockdep_rcu_suspicious+0x1ea/0x280 [ 29.147685][ T272] dev_hard_start_xmit+0x2fc/0x3f0 [ 29.147697][ T272] __dev_queue_xmit+0xef9/0x1850 [ 29.147713][ T272] ? __pfx___dev_queue_xmit+0x10/0x10 [ 29.147716][ T272] ? find_held_lock+0x2c/0x110 [ 29.147723][ T272] ? __lock_release+0x103/0x460 [ 29.147726][ T272] ? ipvlan_process_multicast+0x746/0xc70 [ 29.147731][ T272] ? __pfx___lock_release+0x10/0x10 [ 29.147734][ T272] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 29.147746][ T272] ? ipvlan_process_multicast+0x746/0xc70 [ 29.147754][ T272] ipvlan_process_multicast+0x8c9/0xc70 [ 29.147771][ T272] ? __pfx_ipvlan_process_multicast+0x10/0x10 [ 29.147777][ T272] ? __pfx___lock_release+0x10/0x10 [ 29.147781][ T272] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 29.147786][ T272] ? trace_lock_acquire+0x14c/0x1f0 [ 29.147789][ T272] ? trace_lock_acquire+0x14c/0x1f0 [ 29.147796][ T272] ? lock_acquire+0x32/0xc0 [ 29.147804][ T272] ? process_one_work+0xe55/0x16d0 [ 29.147807][ T272] ? process_one_work+0xe0b/0x16d0 [ 29.147810][ T272] process_one_work+0xe55/0x16d0 [ 29.147823][ T272] ? __pfx___lock_release+0x10/0x10 [ 29.147828][ T272] ? __pfx_process_one_work+0x10/0x10 [ 29.147841][ T272] ? assign_work+0x16c/0x240 [ 29.147850][ T272] worker_thread+0x58c/0xce0 [ 29.147855][ T272] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 29.147866][ T272] ? __pfx_worker_thread+0x10/0x10 [ 29.147873][ T272] kthread+0x359/0x5d0 [ 29.147879][ T272] ? __pfx_kthread+0x10/0x10 [ 29.147888][ T272] ? __pfx_kthread+0x10/0x10 [ 29.147894][ T272] ret_from_fork+0x31/0x70 [ 29.147898][ T272] ? __pfx_kthread+0x10/0x10 [ 29.147902][ T272] ret_from_fork_asm+0x1a/0x30 [ 29.147923][ T272] [ 39.915284][ T428] bond0 (unregistering): (slave eth0): Releasing backup interface [ 39.943358][ T428] bond0 (unregistering): (slave eth1): Releasing backup interface [ 39.965126][ T428] bond0 (unregistering): Released all slaves [ 39.973573][ T40] br0: port 1(s0) entered disabled state [ 39.980932][ T40] br0: port 2(s1) entered disabled state [ 40.250444][ T432] bond0: (slave eth0): making interface the new active one [ 40.251264][ T432] bond0: (slave eth0): Enslaving as an active interface with an up link [ 40.251908][ T154] br0: port 1(s0) entered blocking state [ 40.252142][ T154] br0: port 1(s0) entered forwarding state [ 40.353461][ T433] bond0: (slave eth1): Enslaving as an active interface with an up link [ 40.354352][ T38] br0: port 2(s1) entered blocking state [ 40.354553][ T38] br0: port 2(s1) entered forwarding state [ 42.127913][ T450] eth0: entered promiscuous mode [ 52.530664][ T495] eth0: left promiscuous mode [ 52.959186][ T496] bond0 (unregistering): (slave eth0): Releasing active interface [ 52.981140][ T496] bond0 (unregistering): (slave eth1): Releasing active interface [ 53.001299][ T496] bond0 (unregistering): Released all slaves [ 53.016350][ T38] br0: port 1(s0) entered disabled state [ 53.017844][ T38] br0: port 2(s1) entered disabled state [ 53.041869][ T496] ip (496) used greatest stack depth: 23088 bytes left [ 53.332728][ T501] bond0: (slave eth0): making interface the new active one [ 53.333618][ T501] bond0: (slave eth0): Enslaving as an active interface with an up link [ 53.334190][ T40] br0: port 1(s0) entered blocking state [ 53.334389][ T40] br0: port 1(s0) entered forwarding state [ 53.412789][ T502] bond0: (slave eth1): Enslaving as an active interface with an up link [ 53.413465][ T38] br0: port 2(s1) entered blocking state [ 53.413694][ T38] br0: port 2(s1) entered forwarding state [ 66.119117][ T565] bond0 (unregistering): (slave eth0): Releasing active interface [ 66.141742][ T565] bond0 (unregistering): (slave eth1): Releasing active interface [ 66.165232][ T565] bond0 (unregistering): Released all slaves [ 66.181007][ T40] br0: port 1(s0) entered disabled state [ 66.182147][ T40] br0: port 2(s1) entered disabled state [ 66.472362][ T569] bond0: (slave eth0): making interface the new active one [ 66.481504][ T569] bond0: (slave eth0): Enslaving as an active interface with an up link [ 66.482748][ T154] br0: port 1(s0) entered blocking state [ 66.483017][ T154] br0: port 1(s0) entered forwarding state [ 66.566735][ T570] bond0: (slave eth1): Enslaving as an active interface with an up link [ 66.567485][ T40] br0: port 2(s1) entered blocking state [ 66.567693][ T40] br0: port 2(s1) entered forwarding state [ 68.648738][ T590] eth0: entered promiscuous mode [ 79.046677][ T635] eth0: left promiscuous mode [ 79.482827][ T636] bond0 (unregistering): (slave eth0): Releasing active interface [ 79.502723][ T636] bond0 (unregistering): (slave eth1): Releasing active interface [ 79.526135][ T636] bond0 (unregistering): Released all slaves [ 79.534410][ T154] br0: port 1(s0) entered disabled state [ 79.535705][ T154] br0: port 2(s1) entered disabled state [ 79.813051][ T640] bond0: (slave eth0): making interface the new active one [ 79.814221][ T640] bond0: (slave eth0): Enslaving as an active interface with an up link [ 79.814942][ T154] br0: port 1(s0) entered blocking state [ 79.815277][ T154] br0: port 1(s0) entered forwarding state [ 79.899304][ T641] bond0: (slave eth1): Enslaving as an active interface with an up link [ 79.899897][ T38] br0: port 2(s1) entered blocking state [ 79.900135][ T38] br0: port 2(s1) entered forwarding state [ 92.121301][ T700] br0: port 3(c0) entered disabled state [ 92.315274][ T700] c0 (unregistering): left allmulticast mode [ 92.315721][ T700] c0 (unregistering): left promiscuous mode [ 92.316113][ T700] br0: port 3(c0) entered disabled state [ 92.657006][ T707] br0: port 1(s0) entered disabled state [ 92.731608][ T707] bond0: (slave eth0): Releasing active interface [ 92.731971][ T707] bond0: (slave eth0): the permanent HWaddr of slave - 5e:55:8e:9b:7d:1f - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts [ 92.732664][ T707] bond0: (slave eth1): making interface the new active one [ 92.823754][ T707] s0 (unregistering): left allmulticast mode [ 92.824154][ T707] s0 (unregistering): left promiscuous mode [ 92.824368][ T707] br0: port 1(s0) entered disabled state [ 92.923267][ T708] br0: port 2(s1) entered disabled state [ 93.003686][ T708] bond0: (slave eth1): Releasing active interface [ 93.118415][ T708] s1 (unregistering): left allmulticast mode [ 93.118787][ T708] s1 (unregistering): left promiscuous mode [ 93.119066][ T708] br0: port 2(s1) entered disabled state [ 93.448928][ T261] bond0 (unregistering): Released all slaves