[ 93.285446][ T541] ip (541) used greatest stack depth: 23328 bytes left [ 93.524434][ T543] eth0: renamed from tmp [ 95.618324][ T562] Initializing XFRM netlink socket [ 102.185195][ C1] [ 102.185293][ C1] ======================================================== [ 102.185502][ C1] WARNING: possible irq lock inversion dependency detected [ 102.185711][ C1] 6.9.0-rc1-virtme #1 Not tainted [ 102.185852][ C1] -------------------------------------------------------- [ 102.186059][ C1] swapper/1/0 just changed the state of lock: [ 102.186232][ C1] ffff888004f25580 (&ndev->lock){++.-}-{2:2}, at: ipv6_get_lladdr+0xa9/0x3e0 [ 102.186484][ C1] but this lock took another, SOFTIRQ-unsafe lock in the past: [ 102.186690][ C1] (&p->alloc_lock){+.+.}-{2:2} [ 102.186694][ C1] [ 102.186694][ C1] [ 102.186694][ C1] and interrupts could create inverse lock ordering between them. [ 102.186694][ C1] [ 102.187203][ C1] [ 102.187203][ C1] other info that might help us debug this: [ 102.187406][ C1] Possible interrupt unsafe locking scenario: [ 102.187406][ C1] [ 102.187612][ C1] CPU0 CPU1 [ 102.187752][ C1] ---- ---- [ 102.187894][ C1] lock(&p->alloc_lock); [ 102.188002][ C1] local_irq_disable(); [ 102.188172][ C1] lock(&ndev->lock); [ 102.188348][ C1] lock(&p->alloc_lock); [ 102.188522][ C1] [ 102.188629][ C1] lock(&ndev->lock); [ 102.188734][ C1] [ 102.188734][ C1] *** DEADLOCK *** [ 102.188734][ C1] [ 102.188943][ C1] 2 locks held by swapper/1/0: [ 102.189080][ C1] #0: ffffc900001d8b68 ((&n->timer)){+.-.}-{0:0}, at: call_timer_fn+0xe8/0x230 [ 102.189335][ C1] #1: ffffffff93566360 (rcu_read_lock){....}-{1:2}, at: ipv6_get_lladdr+0x39/0x3e0 [ 102.189593][ C1] [ 102.189593][ C1] the shortest dependencies between 2nd lock and 1st lock: [ 102.189862][ C1] -> (&p->alloc_lock){+.+.}-{2:2} { [ 102.190022][ C1] HARDIRQ-ON-W at: [ 102.190130][ C1] __lock_acquire+0x797/0x1570 [ 102.190309][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.190492][ C1] _raw_spin_lock+0x30/0x40 [ 102.190676][ C1] set_mems_allowed+0x1d/0x210 [ 102.190855][ C1] kernel_init_freeable+0x72/0x310 [ 102.191037][ C1] kernel_init+0x20/0x200 [ 102.191212][ C1] ret_from_fork+0x31/0x70 [ 102.191401][ C1] ret_from_fork_asm+0x1a/0x30 [ 102.191577][ C1] SOFTIRQ-ON-W at: [ 102.191685][ C1] __lock_acquire+0x797/0x1570 [ 102.191861][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.192040][ C1] _raw_spin_lock+0x30/0x40 [ 102.192218][ C1] set_mems_allowed+0x1d/0x210 [ 102.192393][ C1] kernel_init_freeable+0x72/0x310 [ 102.192568][ C1] kernel_init+0x20/0x200 [ 102.192743][ C1] ret_from_fork+0x31/0x70 [ 102.192920][ C1] ret_from_fork_asm+0x1a/0x30 [ 102.193099][ C1] INITIAL USE at: [ 102.193207][ C1] __lock_acquire+0x797/0x1570 [ 102.193382][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.193559][ C1] _raw_spin_lock+0x30/0x40 [ 102.193739][ C1] set_mems_allowed+0x1d/0x210 [ 102.193914][ C1] kernel_init_freeable+0x72/0x310 [ 102.194091][ C1] kernel_init+0x20/0x200 [ 102.194269][ C1] ret_from_fork+0x31/0x70 [ 102.194471][ C1] ret_from_fork_asm+0x1a/0x30 [ 102.194667][ C1] } [ 102.194747][ C1] ... key at: [] __key.388+0x0/0x40 [ 102.194957][ C1] ... acquired at: [ 102.195066][ C1] __lock_acquire+0xaf0/0x1570 [ 102.195214][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.195361][ C1] _raw_spin_lock+0x30/0x40 [ 102.195502][ C1] __get_task_comm+0x27/0x70 [ 102.195646][ C1] ref_tracker_alloc+0x2ee/0x490 [ 102.195786][ C1] netdev_get_by_index+0x5e/0x80 [ 102.195933][ C1] fib6_nh_init+0x3d8/0x1580 [ 102.196077][ C1] ip6_route_info_create+0xf18/0x17d0 [ 102.196217][ C1] addrconf_f6i_alloc+0x265/0x560 [ 102.196355][ C1] __ipv6_dev_ac_inc+0x25f/0xb10 [ 102.196499][ C1] addrconf_join_anycast+0x1c0/0x220 [ 102.196647][ C1] __ipv6_ifa_notify+0x6b3/0xaf0 [ 102.196787][ C1] addrconf_dad_completed+0x12b/0xe20 [ 102.196926][ C1] addrconf_dad_begin+0x310/0x670 [ 102.197069][ C1] addrconf_dad_work+0x10b/0xab0 [ 102.197225][ C1] process_one_work+0xe2c/0x1730 [ 102.197379][ C1] worker_thread+0x587/0xd30 [ 102.197529][ C1] kthread+0x28a/0x350 [ 102.197640][ C1] ret_from_fork+0x31/0x70 [ 102.197783][ C1] ret_from_fork_asm+0x1a/0x30 [ 102.197928][ C1] [ 102.198000][ C1] -> (&ndev->lock){++.-}-{2:2} { [ 102.198146][ C1] HARDIRQ-ON-W at: [ 102.198251][ C1] __lock_acquire+0x797/0x1570 [ 102.198431][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.198611][ C1] _raw_write_lock_bh+0x38/0x50 [ 102.198790][ C1] addrconf_permanent_addr+0x6e/0x670 [ 102.198969][ C1] addrconf_notify+0x749/0xd60 [ 102.199146][ C1] notifier_call_chain+0xcd/0x150 [ 102.199330][ C1] __dev_notify_flags+0xe6/0x250 [ 102.199509][ C1] dev_change_flags+0xec/0x160 [ 102.199710][ C1] do_setlink+0x7d6/0x21e0 [ 102.199891][ C1] __rtnl_newlink+0xaa7/0xd80 [ 102.200072][ C1] rtnl_newlink+0x63/0xa0 [ 102.200249][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 102.200424][ C1] netlink_rcv_skb+0x130/0x360 [ 102.200604][ C1] netlink_unicast+0x449/0x710 [ 102.200787][ C1] netlink_sendmsg+0x723/0xbe0 [ 102.200968][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 102.201161][ C1] ___sys_sendmsg+0xee/0x170 [ 102.201354][ C1] __sys_sendmsg+0xcd/0x170 [ 102.201530][ C1] do_syscall_64+0xc6/0x1e0 [ 102.201710][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 102.201918][ C1] HARDIRQ-ON-R at: [ 102.202023][ C1] __lock_acquire+0x797/0x1570 [ 102.202199][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.202375][ C1] _raw_read_lock_bh+0x44/0x80 [ 102.202551][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 102.202729][ C1] inet6_fill_link_af+0x5e/0xe0 [ 102.202906][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 102.203082][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 102.203262][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 102.203470][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 102.203645][ C1] register_netdevice+0x1177/0x1690 [ 102.203820][ C1] register_netdev+0x20/0x40 [ 102.204003][ C1] vti6_init_net+0x25d/0x380 [ 102.204195][ C1] ops_init+0x9b/0x560 [ 102.204349][ C1] register_pernet_operations+0x2db/0x710 [ 102.204562][ C1] register_pernet_device+0x2a/0x60 [ 102.204740][ C1] vti6_tunnel_init+0x18/0x110 [ 102.204917][ C1] do_one_initcall+0x8d/0x1e0 [ 102.205094][ C1] do_initcalls+0x1b2/0x3e0 [ 102.205270][ C1] kernel_init_freeable+0x232/0x310 [ 102.205444][ C1] kernel_init+0x20/0x200 [ 102.205623][ C1] ret_from_fork+0x31/0x70 [ 102.205902][ C1] ret_from_fork_asm+0x1a/0x30 [ 102.206077][ C1] IN-SOFTIRQ-R at: [ 102.206183][ C1] __lock_acquire+0x797/0x1570 [ 102.206357][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.206533][ C1] _raw_read_lock_bh+0x44/0x80 [ 102.206714][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 102.206907][ C1] ndisc_send_ns+0xe7/0x100 [ 102.207184][ C1] ndisc_solicit+0x39f/0x4d0 [ 102.207360][ C1] neigh_probe+0xaa/0xf0 [ 102.207533][ C1] neigh_timer_handler+0x45b/0xdf0 [ 102.207722][ C1] call_timer_fn+0x13b/0x230 [ 102.207993][ C1] __run_timers+0x545/0x810 [ 102.208169][ C1] timer_expire_remote+0x9b/0xe0 [ 102.208349][ C1] tmigr_handle_remote_cpu+0x270/0x430 [ 102.208525][ C1] tmigr_handle_remote_up+0x19f/0x2e0 [ 102.208703][ C1] tmigr_handle_remote+0x21d/0x3a0 [ 102.208877][ C1] __do_softirq+0x1f8/0x5df [ 102.209136][ C1] irq_exit_rcu+0x97/0xc0 [ 102.209310][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 102.209537][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 102.209877][ C1] default_idle+0xf/0x20 [ 102.210051][ C1] default_idle_call+0x6d/0xb0 [ 102.210226][ C1] cpuidle_idle_call+0x1f4/0x280 [ 102.210400][ C1] do_idle+0xf9/0x160 [ 102.210628][ C1] cpu_startup_entry+0x54/0x60 [ 102.210805][ C1] start_secondary+0x21c/0x2b0 [ 102.210979][ C1] common_startup_64+0x12c/0x138 [ 102.211248][ C1] INITIAL USE at: [ 102.211354][ C1] __lock_acquire+0x797/0x1570 [ 102.211530][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.211720][ C1] _raw_write_lock_bh+0x38/0x50 [ 102.211995][ C1] addrconf_permanent_addr+0x6e/0x670 [ 102.212187][ C1] addrconf_notify+0x749/0xd60 [ 102.212379][ C1] notifier_call_chain+0xcd/0x150 [ 102.212571][ C1] __dev_notify_flags+0xe6/0x250 [ 102.212845][ C1] dev_change_flags+0xec/0x160 [ 102.213018][ C1] do_setlink+0x7d6/0x21e0 [ 102.213193][ C1] __rtnl_newlink+0xaa7/0xd80 [ 102.213459][ C1] rtnl_newlink+0x63/0xa0 [ 102.213638][ C1] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 102.213811][ C1] netlink_rcv_skb+0x130/0x360 [ 102.214072][ C1] netlink_unicast+0x449/0x710 [ 102.214255][ C1] netlink_sendmsg+0x723/0xbe0 [ 102.214429][ C1] ____sys_sendmsg+0x7b2/0xa10 [ 102.214607][ C1] ___sys_sendmsg+0xee/0x170 [ 102.214878][ C1] __sys_sendmsg+0xcd/0x170 [ 102.215053][ C1] do_syscall_64+0xc6/0x1e0 [ 102.215227][ C1] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 102.215438][ C1] INITIAL READ USE at: [ 102.215553][ C1] __lock_acquire+0x797/0x1570 [ 102.215745][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.215940][ C1] _raw_read_lock_bh+0x44/0x80 [ 102.216224][ C1] inet6_fill_ifla6_attrs+0x516/0x740 [ 102.216437][ C1] inet6_fill_link_af+0x5e/0xe0 [ 102.216613][ C1] rtnl_fill_ifinfo+0x1615/0x2a90 [ 102.216876][ C1] rtmsg_ifinfo_build_skb+0x13c/0x240 [ 102.217096][ C1] rtmsg_ifinfo_event.part.0+0x2d/0x120 [ 102.217309][ C1] rtmsg_ifinfo+0x5b/0xa0 [ 102.217485][ C1] register_netdevice+0x1177/0x1690 [ 102.217702][ C1] register_netdev+0x20/0x40 [ 102.217877][ C1] vti6_init_net+0x25d/0x380 [ 102.218148][ C1] ops_init+0x9b/0x560 [ 102.218344][ C1] register_pernet_operations+0x2db/0x710 [ 102.218560][ C1] register_pernet_device+0x2a/0x60 [ 102.218867][ C1] vti6_tunnel_init+0x18/0x110 [ 102.219049][ C1] do_one_initcall+0x8d/0x1e0 [ 102.219225][ C1] do_initcalls+0x1b2/0x3e0 [ 102.219401][ C1] kernel_init_freeable+0x232/0x310 [ 102.219618][ C1] kernel_init+0x20/0x200 [ 102.219804][ C1] ret_from_fork+0x31/0x70 [ 102.219980][ C1] ret_from_fork_asm+0x1a/0x30 [ 102.220240][ C1] } [ 102.220311][ C1] ... key at: [] __key.37+0x0/0x40 [ 102.220526][ C1] ... acquired at: [ 102.220633][ C1] mark_lock+0x28d/0x3e0 [ 102.220869][ C1] mark_usage+0xd9/0x2a0 [ 102.221023][ C1] __lock_acquire+0x797/0x1570 [ 102.221179][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.221318][ C1] _raw_read_lock_bh+0x44/0x80 [ 102.221541][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 102.221681][ C1] ndisc_send_ns+0xe7/0x100 [ 102.221820][ C1] ndisc_solicit+0x39f/0x4d0 [ 102.221966][ C1] neigh_probe+0xaa/0xf0 [ 102.222104][ C1] neigh_timer_handler+0x45b/0xdf0 [ 102.222326][ C1] call_timer_fn+0x13b/0x230 [ 102.222468][ C1] __run_timers+0x545/0x810 [ 102.222610][ C1] timer_expire_remote+0x9b/0xe0 [ 102.222751][ C1] tmigr_handle_remote_cpu+0x270/0x430 [ 102.222974][ C1] tmigr_handle_remote_up+0x19f/0x2e0 [ 102.223112][ C1] tmigr_handle_remote+0x21d/0x3a0 [ 102.223250][ C1] __do_softirq+0x1f8/0x5df [ 102.223388][ C1] irq_exit_rcu+0x97/0xc0 [ 102.223618][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 102.223812][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 102.223991][ C1] default_idle+0xf/0x20 [ 102.224129][ C1] default_idle_call+0x6d/0xb0 [ 102.224351][ C1] cpuidle_idle_call+0x1f4/0x280 [ 102.224490][ C1] do_idle+0xf9/0x160 [ 102.224598][ C1] cpu_startup_entry+0x54/0x60 [ 102.224749][ C1] start_secondary+0x21c/0x2b0 [ 102.224974][ C1] common_startup_64+0x12c/0x138 [ 102.225117][ C1] [ 102.225187][ C1] [ 102.225187][ C1] stack backtrace: [ 102.225358][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.9.0-rc1-virtme #1 [ 102.225649][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 102.225955][ C1] Call Trace: [ 102.226069][ C1] [ 102.226147][ C1] dump_stack_lvl+0x82/0xd0 [ 102.226392][ C1] print_irq_inversion_bug.part.0+0x3d9/0x570 [ 102.226567][ C1] ? common_startup_64+0x12c/0x138 [ 102.226711][ C1] ? __pfx_print_irq_inversion_bug.part.0+0x10/0x10 [ 102.226893][ C1] ? __pfx_usage_skip+0x10/0x10 [ 102.227115][ C1] ? __pfx_usage_match+0x10/0x10 [ 102.227253][ C1] ? arch_stack_walk+0x8c/0xf0 [ 102.227391][ C1] mark_lock_irq+0x4cd/0xa10 [ 102.227540][ C1] ? __pfx_mark_lock_irq+0x10/0x10 [ 102.227772][ C1] ? stack_trace_save+0x94/0xd0 [ 102.227912][ C1] ? common_startup_64+0x12c/0x138 [ 102.228051][ C1] ? save_trace+0x8f/0x5b0 [ 102.228194][ C1] mark_lock+0x28d/0x3e0 [ 102.228306][ C1] mark_usage+0xd9/0x2a0 [ 102.228495][ C1] __lock_acquire+0x797/0x1570 [ 102.228644][ C1] lock_acquire.part.0+0xeb/0x330 [ 102.228795][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 102.228954][ C1] ? __pfx_lock_acquire.part.0+0x10/0x10 [ 102.229189][ C1] ? trace_lock_acquire+0x135/0x1c0 [ 102.229329][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 102.229466][ C1] ? lock_acquire+0x32/0xc0 [ 102.229622][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 102.229851][ C1] _raw_read_lock_bh+0x44/0x80 [ 102.229991][ C1] ? ipv6_get_lladdr+0xa9/0x3e0 [ 102.230128][ C1] ipv6_get_lladdr+0xa9/0x3e0 [ 102.230274][ C1] ? hlock_class+0x4e/0x130 [ 102.230413][ C1] ndisc_send_ns+0xe7/0x100 [ 102.230564][ C1] ? mark_held_locks+0x9e/0xe0 [ 102.230707][ C1] ? __pfx_ndisc_send_ns+0x10/0x10 [ 102.230847][ C1] ? find_held_lock+0x2c/0x110 [ 102.230991][ C1] ? __lock_release+0x103/0x460 [ 102.231215][ C1] ndisc_solicit+0x39f/0x4d0 [ 102.231355][ C1] ? __pfx_ndisc_solicit+0x10/0x10 [ 102.231498][ C1] ? do_raw_write_lock+0x122/0x3b0 [ 102.231641][ C1] ? neigh_probe+0x57/0xf0 [ 102.231877][ C1] neigh_probe+0xaa/0xf0 [ 102.231983][ C1] neigh_timer_handler+0x45b/0xdf0 [ 102.232123][ C1] ? call_timer_fn+0xe8/0x230 [ 102.232271][ C1] ? __pfx_neigh_timer_handler+0x10/0x10 [ 102.232411][ C1] call_timer_fn+0x13b/0x230 [ 102.232638][ C1] ? call_timer_fn+0xe8/0x230 [ 102.232777][ C1] ? call_timer_fn+0xe8/0x230 [ 102.232915][ C1] ? __pfx_call_timer_fn+0x10/0x10 [ 102.233067][ C1] ? mark_lock+0x38/0x3e0 [ 102.233258][ C1] __run_timers+0x545/0x810 [ 102.233399][ C1] ? __pfx_neigh_timer_handler+0x10/0x10 [ 102.233555][ C1] ? __pfx___run_timers+0x10/0x10 [ 102.233709][ C1] ? __lock_release+0x103/0x460 [ 102.233937][ C1] ? do_raw_spin_lock+0x131/0x270 [ 102.234081][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 102.234225][ C1] ? lock_acquire+0x32/0xc0 [ 102.234363][ C1] ? timer_expire_remote+0x93/0xe0 [ 102.234508][ C1] timer_expire_remote+0x9b/0xe0 [ 102.234731][ C1] tmigr_handle_remote_cpu+0x270/0x430 [ 102.234872][ C1] ? __pfx_tmigr_handle_remote_cpu+0x10/0x10 [ 102.235045][ C1] ? timerqueue_del+0x68/0x120 [ 102.235192][ C1] tmigr_handle_remote_up+0x19f/0x2e0 [ 102.235415][ C1] tmigr_handle_remote+0x21d/0x3a0 [ 102.235555][ C1] ? do_raw_spin_lock+0x131/0x270 [ 102.235694][ C1] ? __pfx_tmigr_handle_remote+0x10/0x10 [ 102.235843][ C1] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 102.236069][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x14f/0x370 [ 102.236243][ C1] __do_softirq+0x1f8/0x5df [ 102.236387][ C1] irq_exit_rcu+0x97/0xc0 [ 102.236496][ C1] sysvec_apic_timer_interrupt+0x75/0x80 [ 102.236722][ C1] [ 102.236794][ C1] [ 102.236872][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 102.237048][ C1] RIP: 0010:default_idle+0xf/0x20 [ 102.237194][ C1] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 fb 32 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 [ 102.237778][ C1] RSP: 0018:ffffc9000014fdf8 EFLAGS: 00000242 [ 102.237960][ C1] RAX: 000000000028c4f1 RBX: 1ffff92000029fc1 RCX: ffffffff92331ea5 [ 102.238255][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8faac1d4 [ 102.238463][ C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c1709c [ 102.238761][ C1] R10: ffff8880360b84e3 R11: ffff8880360bde40 R12: 0000000000000000 [ 102.238973][ C1] R13: ffff888001b8a300 R14: dffffc0000000000 R15: 0000000000000000 [ 102.239189][ C1] ? ct_kernel_exit.constprop.0+0xc5/0xf0 [ 102.239338][ C1] ? cpuidle_idle_call+0x1f4/0x280 [ 102.239572][ C1] default_idle_call+0x6d/0xb0 [ 102.239713][ C1] cpuidle_idle_call+0x1f4/0x280 [ 102.239853][ C1] ? __pfx_cpuidle_idle_call+0x10/0x10 [ 102.239993][ C1] ? tsc_verify_tsc_adjust+0x5e/0x2b0 [ 102.240217][ C1] do_idle+0xf9/0x160 [ 102.240324][ C1] cpu_startup_entry+0x54/0x60 [ 102.240462][ C1] start_secondary+0x21c/0x2b0 [ 102.240604][ C1] ? __pfx_start_secondary+0x10/0x10 [ 102.240836][ C1] common_startup_64+0x12c/0x138 [ 102.240978][ C1] [ 103.373471][ T638] IPsec XFRM device driver