[531862.981972] ------------[ cut here ]------------
[531862.981975] WARNING: CPU: 0 PID: 15141 at /build/buildd/linux-3.13.0/net/core/dst.c:285 dst_release+0x45/0x60()
[531862.981975] Modules linked in: cirrus kvm_intel ttm drm_kms_helper kvm snd_hda_intel drm serio_raw snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd syscopyarea i2c_piix4 sysfillrect soundcore sysimgblt mac_hid lp parport xfs libcrc32c psmouse virtio_scsi floppy
[531862.981985] CPU: 0 PID: 15141 Comm: postgres Tainted: G        W     3.13.0-44-generic #73-Ubuntu
[531862.981986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[531862.981986]  0000000000000009 ffff88023fc03c70 ffffffff81720d86 0000000000000000
[531862.981988]  ffff88023fc03ca8 ffffffff810677cd ffff88022fc44000 00000000fffffffe
[531862.981990]  0000000000000000 0000000000000000 ffff880231e98000 ffff88023fc03cb8
[531862.981992] Call Trace:
[531862.981993]  <IRQ>  [<ffffffff81720d86>] dump_stack+0x45/0x56
[531862.981996]  [<ffffffff810677cd>] warn_slowpath_common+0x7d/0xa0
[531862.981997]  [<ffffffff810678aa>] warn_slowpath_null+0x1a/0x20
[531862.981999]  [<ffffffff8162d805>] dst_release+0x45/0x60
[531862.982001]  [<ffffffff816ddc61>] udpv6_queue_rcv_skb+0x2c1/0x360
[531862.982003]  [<ffffffff816de186>] __udp6_lib_rcv+0x146/0x460
[531862.982004]  [<ffffffff816de4b5>] udpv6_rcv+0x15/0x20
[531862.982006]  [<ffffffff816c3f92>] ip6_input_finish+0xd2/0x420
[531862.982008]  [<ffffffff816c47f2>] ip6_input+0x22/0x60
[531862.982009]  [<ffffffff816c3da7>] ip6_rcv_finish+0x27/0xa0
[531862.982011]  [<ffffffff816c45b3>] ipv6_rcv+0x2d3/0x4f0
[531862.982013]  [<ffffffff81625056>] __netif_receive_skb_core+0x666/0x840
[531862.982015]  [<ffffffff81625248>] __netif_receive_skb+0x18/0x60
[531862.982017]  [<ffffffff81625dde>] process_backlog+0xae/0x1a0
[531862.982019]  [<ffffffff81625632>] net_rx_action+0x152/0x250
[531862.982022]  [<ffffffff8106cc1c>] __do_softirq+0xec/0x2c0
[531862.982024]  [<ffffffff8173329c>] do_softirq_own_stack+0x1c/0x30
[531862.982025]  <EOI>  [<ffffffff8106ce95>] do_softirq+0x55/0x60
[531862.982028]  [<ffffffff8106cf24>] local_bh_enable+0x84/0x90
[531862.982029]  [<ffffffff816c0b81>] ip6_finish_output2+0x161/0x480
[531862.982031]  [<ffffffff816c3c98>] ip6_finish_output+0x88/0xc0
[531862.982033]  [<ffffffff816c3d0c>] ip6_output+0x3c/0xb0
[531862.982035]  [<ffffffff816f96b5>] ip6_local_out+0x25/0x30
[531862.982037]  [<ffffffff816c1870>] ip6_push_pending_frames+0x2f0/0x480
[531862.982038]  [<ffffffff816db689>] udp_v6_push_pending_frames+0x129/0x3d0
[531862.982040]  [<ffffffff816dc2ce>] udpv6_sendmsg+0x71e/0xb10
[531862.982043]  [<ffffffff816937b4>] inet_sendmsg+0x64/0xb0
[531862.982045]  [<ffffffff813137e7>] ? apparmor_socket_sendmsg+0x17/0x20
[531862.982046]  [<ffffffff8160c3ab>] sock_sendmsg+0x8b/0xc0
[531862.982049]  [<ffffffff8172ce54>] ? __do_page_fault+0x204/0x560
[531862.982050]  [<ffffffff8160c8f1>] SYSC_sendto+0x121/0x1c0
[531862.982052]  [<ffffffff81724d31>] ? __schedule+0x381/0x7d0
[531862.982054]  [<ffffffff8160d2de>] SyS_sendto+0xe/0x10
[531862.982056]  [<ffffffff8173186d>] system_call_fastpath+0x1a/0x1f
[531862.982057] ---[ end trace 5655c127a61e5cbf ]---
[531862.982058] ------------[ cut here ]------------
[531862.982060] WARNING: CPU: 0 PID: 15141 at /build/buildd/linux-3.13.0/net/core/dst.c:285 dst_release+0x45/0x60()
[531862.982061] Modules linked in: cirrus kvm_intel ttm drm_kms_helper kvm snd_hda_intel drm serio_raw snd_hda_codec snd_hwdep snd_pcm snd_page_alloc snd_timer snd syscopyarea i2c_piix4 sysfillrect soundcore sysimgblt mac_hid lp parport xfs libcrc32c psmouse virtio_scsi floppy
[531862.982069] CPU: 0 PID: 15141 Comm: postgres Tainted: G        W     3.13.0-44-generic #73-Ubuntu
[531862.982070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
[531862.982071]  0000000000000009 ffff880107027aa0 ffffffff81720d86 0000000000000000
[531862.982073]  ffff880107027ad8 ffffffff810677cd ffff88022fc44000 00000000fffffffd
[531862.982075]  ffff880231e98378 ffff88022fc44000 ffffffff81cda780 ffff880107027ae8
[531862.982077] Call Trace:
[531862.982078]  [<ffffffff81720d86>] dump_stack+0x45/0x56
[531862.982080]  [<ffffffff810677cd>] warn_slowpath_common+0x7d/0xa0
[531862.982082]  [<ffffffff810678aa>] warn_slowpath_null+0x1a/0x20
[531862.982083]  [<ffffffff8162d805>] dst_release+0x45/0x60
[531862.982085]  [<ffffffff816c08bc>] ip6_cork_release.isra.30+0x6c/0x120
[531862.982087]  [<ffffffff816c18c1>] ip6_push_pending_frames+0x341/0x480
[531862.982089]  [<ffffffff816db689>] udp_v6_push_pending_frames+0x129/0x3d0
[531862.982090]  [<ffffffff816dc2ce>] udpv6_sendmsg+0x71e/0xb10
[531862.982093]  [<ffffffff816937b4>] inet_sendmsg+0x64/0xb0
[531862.982095]  [<ffffffff813137e7>] ? apparmor_socket_sendmsg+0x17/0x20
[531862.982096]  [<ffffffff8160c3ab>] sock_sendmsg+0x8b/0xc0
[531862.982099]  [<ffffffff8172ce54>] ? __do_page_fault+0x204/0x560
[531862.982100]  [<ffffffff8160c8f1>] SYSC_sendto+0x121/0x1c0
[531862.982102]  [<ffffffff81724d31>] ? __schedule+0x381/0x7d0
[531862.982104]  [<ffffffff8160d2de>] SyS_sendto+0xe/0x10
[531862.982106]  [<ffffffff8173186d>] system_call_fastpath+0x1a/0x1f
[531862.982107] ---[ end trace 5655c127a61e5cc0 ]---