[ 12.586030][ T258] br0: port 1(s0) entered blocking state [ 12.586398][ T258] br0: port 1(s0) entered disabled state [ 12.586707][ T258] s0: entered allmulticast mode [ 12.587948][ T258] s0: entered promiscuous mode [ 12.597154][ T258] ip (258) used greatest stack depth: 24240 bytes left [ 12.695635][ T259] bond0: (slave eth0): making interface the new active one [ 12.697720][ T259] bond0: (slave eth0): Enslaving as an active interface with an up link [ 12.699081][ T46] br0: port 1(s0) entered blocking state [ 12.699361][ T46] br0: port 1(s0) entered forwarding state [ 13.183816][ T263] br0: port 2(s1) entered blocking state [ 13.184102][ T263] br0: port 2(s1) entered disabled state [ 13.184414][ T263] s1: entered allmulticast mode [ 13.185954][ T263] s1: entered promiscuous mode [ 13.295323][ T264] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 13.296487][ T248] br0: port 2(s1) entered blocking state [ 13.296693][ T248] br0: port 2(s1) entered forwarding state [ 14.172214][ T273] br0: port 3(c0) entered blocking state [ 14.172438][ T273] br0: port 3(c0) entered disabled state [ 14.172646][ T273] c0: entered allmulticast mode [ 14.173864][ T273] c0: entered promiscuous mode [ 14.268163][ T46] br0: port 3(c0) entered blocking state [ 14.268394][ T46] br0: port 3(c0) entered forwarding state [ 15.285758][ T283] bond0 (unregistering): (slave eth0): Releasing backup interface [ 15.308247][ T283] bond0 (unregistering): (slave eth1): Releasing backup interface [ 15.324606][ T283] bond0 (unregistering): Released all slaves [ 15.341326][ T284] br0: port 1(s0) entered disabled state [ 15.344451][ T284] br0: port 2(s1) entered disabled state [ 15.631712][ T288] bond0: (slave eth0): making interface the new active one [ 15.632404][ T288] bond0: (slave eth0): Enslaving as an active interface with an up link [ 15.633297][ T284] br0: port 1(s0) entered blocking state [ 15.633539][ T284] br0: port 1(s0) entered forwarding state [ 15.746098][ T289] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 15.746766][ T46] br0: port 2(s1) entered blocking state [ 15.747023][ T46] br0: port 2(s1) entered forwarding state [ 17.725647][ T306] eth0: entered promiscuous mode [ 28.415723][ T351] eth0: left promiscuous mode [ 28.842216][ T352] bond0 (unregistering): (slave eth0): Releasing backup interface [ 28.864689][ T352] bond0 (unregistering): (slave eth1): Releasing backup interface [ 28.888727][ T352] bond0 (unregistering): Released all slaves [ 28.908404][ T284] br0: port 1(s0) entered disabled state [ 28.910326][ T284] br0: port 2(s1) entered disabled state [ 28.941726][ T352] ip (352) used greatest stack depth: 22976 bytes left [ 29.216410][ T356] bond0: (slave eth0): making interface the new active one [ 29.217105][ T356] bond0: (slave eth0): Enslaving as an active interface with an up link [ 29.217702][ T40] br0: port 1(s0) entered blocking state [ 29.217931][ T40] br0: port 1(s0) entered forwarding state [ 29.313536][ T357] bond0: (slave eth1): Enslaving as a backup interface with an up link [ 29.314469][ T284] br0: port 2(s1) entered blocking state [ 29.314673][ T284] br0: port 2(s1) entered forwarding state [ 31.605595][ T56] [ 31.605854][ T56] ============================= [ 31.606020][ T56] WARNING: suspicious RCU usage [ 31.606198][ T56] 6.14.0-rc6-virtme #1 Not tainted [ 31.606355][ T56] ----------------------------- [ 31.606508][ T56] ./include/net/net_namespace.h:418 suspicious rcu_dereference_check() usage! [ 31.606794][ T56] [ 31.606794][ T56] other info that might help us debug this: [ 31.606794][ T56] [ 31.607088][ T56] [ 31.607088][ T56] rcu_scheduler_active = 2, debug_locks = 1 [ 31.607317][ T56] 3 locks held by kworker/3:1/56: [ 31.607481][ T56] #0: ffff8880010a9548 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x7ec/0x16d0 [ 31.607793][ T56] #1: ffffc900003cfd40 ((work_completion)(&port->wq)){+.+.}-{0:0}, at: process_one_work+0xe0b/0x16d0 [ 31.608096][ T56] #2: ffffffffafd5b5c0 (rcu_read_lock_bh){....}-{1:3}, at: __dev_queue_xmit+0x203/0x1850 [ 31.608382][ T56] [ 31.608382][ T56] stack backtrace: [ 31.608560][ T56] CPU: 3 UID: 0 PID: 56 Comm: kworker/3:1 Not tainted 6.14.0-rc6-virtme #1 [ 31.608565][ T56] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 31.608567][ T56] Workqueue: events ipvlan_process_multicast [ 31.608574][ T56] Call Trace: [ 31.608576][ T56] [ 31.608581][ T56] dump_stack_lvl+0xb0/0xd0 [ 31.608587][ T56] lockdep_rcu_suspicious+0x1ea/0x280 [ 31.608598][ T56] dev_hard_start_xmit+0x2fc/0x3f0 [ 31.608610][ T56] __dev_queue_xmit+0xef9/0x1850 [ 31.608626][ T56] ? __pfx___dev_queue_xmit+0x10/0x10 [ 31.608629][ T56] ? find_held_lock+0x2c/0x110 [ 31.608637][ T56] ? __lock_release+0x103/0x460 [ 31.608639][ T56] ? ipvlan_process_multicast+0x746/0xc70 [ 31.608644][ T56] ? __pfx___lock_release+0x10/0x10 [ 31.608648][ T56] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.608660][ T56] ? ipvlan_process_multicast+0x746/0xc70 [ 31.608668][ T56] ipvlan_process_multicast+0x8c9/0xc70 [ 31.608685][ T56] ? __pfx_ipvlan_process_multicast+0x10/0x10 [ 31.608690][ T56] ? __pfx___lock_release+0x10/0x10 [ 31.608694][ T56] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 31.608699][ T56] ? trace_lock_acquire+0x14c/0x1f0 [ 31.608702][ T56] ? trace_lock_acquire+0x14c/0x1f0 [ 31.608709][ T56] ? lock_acquire+0x32/0xc0 [ 31.608718][ T56] ? process_one_work+0xe55/0x16d0 [ 31.608721][ T56] ? process_one_work+0xe0b/0x16d0 [ 31.608724][ T56] process_one_work+0xe55/0x16d0 [ 31.608737][ T56] ? __pfx___lock_release+0x10/0x10 [ 31.608741][ T56] ? __pfx_process_one_work+0x10/0x10 [ 31.608755][ T56] ? assign_work+0x16c/0x240 [ 31.608764][ T56] worker_thread+0x58c/0xce0 [ 31.608769][ T56] ? lockdep_hardirqs_on_prepare+0x275/0x410 [ 31.608780][ T56] ? __pfx_worker_thread+0x10/0x10 [ 31.608786][ T56] kthread+0x359/0x5d0 [ 31.608792][ T56] ? __pfx_kthread+0x10/0x10 [ 31.608801][ T56] ? __pfx_kthread+0x10/0x10 [ 31.608807][ T56] ret_from_fork+0x31/0x70 [ 31.608811][ T56] ? __pfx_kthread+0x10/0x10 [ 31.608815][ T56] ret_from_fork_asm+0x1a/0x30 [ 31.608836][ T56] [ 42.857408][ T423] bond0 (unregistering): (slave eth0): Releasing backup interface [ 42.882678][ T423] bond0 (unregistering): (slave eth1): Releasing backup interface [ 42.903010][ T423] bond0 (unregistering): Released all slaves [ 42.916209][ T46] br0: port 1(s0) entered disabled state [ 42.917413][ T46] br0: port 2(s1) entered disabled state [ 43.229721][ T427] bond0: (slave eth0): making interface the new active one [ 43.230690][ T427] bond0: (slave eth0): Enslaving as an active interface with an up link [ 43.232270][ T40] br0: port 1(s0) entered blocking state [ 43.232579][ T40] br0: port 1(s0) entered forwarding state [ 43.321262][ T428] bond0: (slave eth1): Enslaving as an active interface with an up link [ 43.321970][ T46] br0: port 2(s1) entered blocking state [ 43.322236][ T46] br0: port 2(s1) entered forwarding state [ 45.557535][ T448] eth0: entered promiscuous mode [ 56.263961][ T494] eth0: left promiscuous mode [ 56.560207][ T495] bond0 (unregistering): (slave eth0): Releasing active interface [ 56.590096][ T495] bond0 (unregistering): (slave eth1): Releasing active interface [ 56.614066][ T495] bond0 (unregistering): Released all slaves [ 56.622180][ T284] br0: port 1(s0) entered disabled state [ 56.624006][ T284] br0: port 2(s1) entered disabled state [ 56.899500][ T499] bond0: (slave eth0): making interface the new active one [ 56.900207][ T499] bond0: (slave eth0): Enslaving as an active interface with an up link [ 56.900813][ T284] br0: port 1(s0) entered blocking state [ 56.901161][ T284] br0: port 1(s0) entered forwarding state [ 57.004368][ T500] bond0: (slave eth1): Enslaving as an active interface with an up link [ 57.005093][ T40] br0: port 2(s1) entered blocking state [ 57.005337][ T40] br0: port 2(s1) entered forwarding state [ 70.193715][ T563] bond0 (unregistering): (slave eth0): Releasing active interface [ 70.218961][ T563] bond0 (unregistering): (slave eth1): Releasing active interface [ 70.242229][ T563] bond0 (unregistering): Released all slaves [ 70.256965][ T46] br0: port 1(s0) entered disabled state [ 70.258748][ T46] br0: port 2(s1) entered disabled state [ 70.540593][ T567] bond0: (slave eth0): making interface the new active one [ 70.541510][ T567] bond0: (slave eth0): Enslaving as an active interface with an up link [ 70.542027][ T284] br0: port 1(s0) entered blocking state [ 70.542229][ T284] br0: port 1(s0) entered forwarding state [ 70.627495][ T568] bond0: (slave eth1): Enslaving as an active interface with an up link [ 70.628341][ T40] br0: port 2(s1) entered blocking state [ 70.628558][ T40] br0: port 2(s1) entered forwarding state [ 72.821721][ T588] eth0: entered promiscuous mode [ 83.600178][ T633] eth0: left promiscuous mode [ 84.055333][ T634] bond0 (unregistering): (slave eth0): Releasing active interface [ 84.085444][ T634] bond0 (unregistering): (slave eth1): Releasing active interface [ 84.109752][ T634] bond0 (unregistering): Released all slaves [ 84.123608][ T39] br0: port 1(s0) entered disabled state [ 84.126001][ T39] br0: port 2(s1) entered disabled state [ 84.493894][ T639] bond0: (slave eth0): making interface the new active one [ 84.496221][ T639] bond0: (slave eth0): Enslaving as an active interface with an up link [ 84.497600][ T46] br0: port 1(s0) entered blocking state [ 84.497912][ T46] br0: port 1(s0) entered forwarding state [ 84.609034][ T640] bond0: (slave eth1): Enslaving as an active interface with an up link [ 84.609889][ T46] br0: port 2(s1) entered blocking state [ 84.610246][ T46] br0: port 2(s1) entered forwarding state [ 96.889266][ T696] br0: port 3(c0) entered disabled state [ 97.051002][ T696] c0 (unregistering): left allmulticast mode [ 97.051378][ T696] c0 (unregistering): left promiscuous mode [ 97.051628][ T696] br0: port 3(c0) entered disabled state [ 97.441587][ T703] br0: port 1(s0) entered disabled state [ 97.519753][ T703] bond0: (slave eth0): Releasing active interface [ 97.520103][ T703] bond0: (slave eth0): the permanent HWaddr of slave - 86:d2:fe:54:e5:af - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts [ 97.521019][ T703] bond0: (slave eth1): making interface the new active one [ 97.636943][ T703] s0 (unregistering): left allmulticast mode [ 97.637400][ T703] s0 (unregistering): left promiscuous mode [ 97.637691][ T703] br0: port 1(s0) entered disabled state [ 97.768432][ T704] br0: port 2(s1) entered disabled state [ 97.852169][ T704] bond0: (slave eth1): Releasing active interface [ 97.967362][ T704] s1 (unregistering): left allmulticast mode [ 97.967732][ T704] s1 (unregistering): left promiscuous mode [ 97.967972][ T704] br0: port 2(s1) entered disabled state [ 98.282723][ T68] bond0 (unregistering): Released all slaves