[ 9287.995069] BUG: soft lockup - CPU#30 stuck for 23s! [kworker/30:1:938]
[ 9287.995102] Modules linked in: vhost_net vhost macvtap macvlan nf_conntrack_ipv6 nf_defrag_ipv6 xt_mac xt_physdev xt_set xt_multiport iptable_raw ip_set_hash_ip ip_set nfnetlink veth ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack ipt_REJECT xt_CHECKSUM iptable_mangle xt_tcpudp bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables nbd ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi openvswitch gre vxlan libcrc32c snd_hda_codec_generic qxl ttm snd_hda_intel snd_hda_controller kvm_intel snd_hda_codec snd_hwdep kvm snd_pcm ppdev snd_timer crct10dif_pclmul dm_multipath crc32_pclmul drm_kms_helper scsi_dh serio_raw ghash_clmulni_intel snd aesni_intel soundcore aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd drm parport_pc i2c_piix4 pvpanic mac_hid lp parport psmouse floppy pata_acpi
[ 9287.995111] CPU: 30 PID: 938 Comm: kworker/30:1 Not tainted 3.16.0-31-generic #43~14.04.1-Ubuntu
[ 9287.995111] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.7.5-20140531_083030-gandalf 04/01/2014
[ 9287.995116] Workqueue: events jump_label_update_timeout
[ 9287.995117] task: ffff883be5f728c0 ti: ffff883be50f8000 task.ti: ffff883be50f8000
[ 9287.995121] RIP: 0010:[<ffffffff810e7b1a>]  [<ffffffff810e7b1a>] smp_call_function_many+0x20a/0x270
[ 9287.995121] RSP: 0018:ffff883be50fbc98  EFLAGS: 00000202
[ 9287.995122] RAX: 000000000000001f RBX: ffffffff81d104a0 RCX: ffff883c4b3f7540
[ 9287.995122] RDX: 000000000000001f RSI: 0000000000000100 RDI: 0000000000000000
[ 9287.995123] RBP: ffff883be50fbcd0 R08: ffff883c4b3d3fc8 R09: 0000000000000004
[ 9287.995123] R10: ffff883c4b3d3fc8 R11: 0000000000000000 R12: 00000000000000fc
[ 9287.995124] R13: 0000000000000292 R14: 0000000000000292 R15: ffff883be50fbc38
[ 9287.995125] FS:  0000000000000000(0000) GS:ffff883c4b3c0000(0000) knlGS:0000000000000000
[ 9287.995126] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9287.995126] CR2: 00007f3d9c5de000 CR3: 0000000001c13000 CR4: 00000000001426e0
[ 9287.995129] Stack:
[ 9287.995130]  0000000181060438 0000000000013f80 ffffffffc07345b3 ffffffff8101a960
[ 9287.995131]  0000000000000000 ffffffffc07345b4 ffffffffc0755660 ffff883be50fbcf8
[ 9287.995132]  ffffffff810e7cdd ffffffffc07345b3 ffff883be50fbd43 0000000000000005
[ 9287.995133] Call Trace:
[ 9287.995149]  [<ffffffffc07345b3>] ? kvm_apic_local_deliver+0x13/0x70 [kvm]
[ 9287.995152]  [<ffffffff8101a960>] ? arch_unregister_cpu+0x30/0x30
[ 9287.995160]  [<ffffffffc07345b4>] ? kvm_apic_local_deliver+0x14/0x70 [kvm]
[ 9287.995162]  [<ffffffff810e7cdd>] on_each_cpu+0x2d/0x60
[ 9287.995170]  [<ffffffffc07345b3>] ? kvm_apic_local_deliver+0x13/0x70 [kvm]
[ 9287.995171]  [<ffffffff8101b35b>] text_poke_bp+0x5b/0xc0
[ 9287.995178]  [<ffffffffc07345b3>] ? kvm_apic_local_deliver+0x13/0x70 [kvm]
[ 9287.995180]  [<ffffffff810180c3>] arch_jump_label_transform+0xa3/0x120
[ 9287.995183]  [<ffffffff8116000f>] __jump_label_update+0x5f/0x80
[ 9287.995185]  [<ffffffff811600cd>] jump_label_update+0x9d/0xb0
[ 9287.995187]  [<ffffffff8116032d>] __static_key_slow_dec+0x4d/0xb0
[ 9287.995189]  [<ffffffff81160446>] jump_label_update_timeout+0x16/0x20
[ 9287.995191]  [<ffffffff81089f32>] process_one_work+0x182/0x450
[ 9287.995192]  [<ffffffff8108a6a3>] worker_thread+0x123/0x5a0
[ 9287.995193]  [<ffffffff8108a580>] ? rescuer_thread+0x380/0x380
[ 9287.995195]  [<ffffffff81091312>] kthread+0xd2/0xf0
[ 9287.995197]  [<ffffffff81091240>] ? kthread_create_on_node+0x1c0/0x1c0
[ 9287.995199]  [<ffffffff8176b5bc>] ret_from_fork+0x7c/0xb0
[ 9287.995201]  [<ffffffff81091240>] ? kthread_create_on_node+0x1c0/0x1c0
[ 9287.995210] Code: dd 03 2b 00 3b 05 7b 9b c2 00 89 c2 0f 8d 84 fe ff ff 48 98 49 8b 4d 00 48 03 0c c5 a0 f7 d0 81 f6 41 18 01 74 cb 0f 1f 00 f3 90 <f6> 41 18 01 75 f8 eb be 0f b6 4d cc 4c 89 fa 4c 89 f6 44 89 ef