Feb 13 10:47:38.223896 mirci kernel: INFO: task modprobe:803 blocked for more than 120 seconds.
Feb 13 10:47:38.223996 mirci kernel:       Tainted: G           O    4.4.1-2-ARCH #1
Feb 13 10:47:38.224040 mirci kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 13 10:47:38.224074 mirci kernel: modprobe        D ffff880401cffba8     0   803    176 0x00000000
Feb 13 10:47:38.224108 mirci kernel:  ffff880401cffba8 0000000000000000 ffff88040c272940 ffff880401cc8dc0
Feb 13 10:47:38.224142 mirci kernel:  ffff880401d00000 ffffffff818b5624 ffff880401cc8dc0 00000000ffffffff
Feb 13 10:47:38.224172 mirci kernel:  ffffffff818b5628 ffff880401cffbc0 ffffffff8158e03c ffffffff818b5620
Feb 13 10:47:38.224201 mirci kernel: Call Trace:
Feb 13 10:47:38.224231 mirci kernel:  [<ffffffff8158e03c>] schedule+0x3c/0x90
Feb 13 10:47:38.224262 mirci kernel:  [<ffffffff8158e415>] schedule_preempt_disabled+0x15/0x20
Feb 13 10:47:38.224291 mirci kernel:  [<ffffffff8158f8be>] __mutex_lock_slowpath+0xce/0x140
Feb 13 10:47:38.224319 mirci kernel:  [<ffffffffa0a4c000>] ? 0xffffffffa0a4c000
Feb 13 10:47:38.224335 mirci kernel:  [<ffffffff8158f947>] mutex_lock+0x17/0x30
Feb 13 10:47:38.224350 mirci kernel:  [<ffffffff81483239>] register_pernet_subsys+0x19/0x40
Feb 13 10:47:38.224370 mirci kernel:  [<ffffffffa0a4c040>] nf_conntrack_l3proto_ipv4_init+0x40/0x1000 [nf_conntrack_ipv4]
Feb 13 10:47:38.224386 mirci kernel:  [<ffffffff81002123>] do_one_initcall+0xb3/0x200
Feb 13 10:47:38.224402 mirci kernel:  [<ffffffff811619d7>] do_init_module+0x5f/0x1e8
Feb 13 10:47:38.224417 mirci kernel:  [<ffffffff810fbf7f>] load_module+0x219f/0x27e0
Feb 13 10:47:38.224432 mirci kernel:  [<ffffffff810f8e70>] ? symbol_put_addr+0x50/0x50
Feb 13 10:47:38.224449 mirci kernel:  [<ffffffff810fc70e>] SyS_init_module+0x14e/0x190
Feb 13 10:47:38.224464 mirci kernel:  [<ffffffff81591b2e>] entry_SYSCALL_64_fastpath+0x12/0x71

Feb 13 10:47:38.224480 mirci kernel: INFO: task (ostnamed):807 blocked for more than 120 seconds.
Feb 13 10:47:38.224498 mirci kernel:       Tainted: G           O    4.4.1-2-ARCH #1
Feb 13 10:47:38.224512 mirci kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 13 10:47:38.224527 mirci kernel: (ostnamed)      D ffff880402b0fcf8     0   807      1 0x00000004
Feb 13 10:47:38.224542 mirci kernel:  ffff880402b0fcf8 0000000000000000 ffff88040c2244c0 ffff8800c90da940
Feb 13 10:47:38.224557 mirci kernel:  ffff880402b10000 ffffffffa080a5a4 ffff8800c90da940 00000000ffffffff
Feb 13 10:47:38.224574 mirci kernel:  ffffffffa080a5a8 ffff880402b0fd10 ffffffff8158e03c ffffffffa080a5a0
Feb 13 10:47:38.224588 mirci kernel: Call Trace:
Feb 13 10:47:38.224603 mirci kernel:  [<ffffffff8158e03c>] schedule+0x3c/0x90
Feb 13 10:47:38.224618 mirci kernel:  [<ffffffff8158e415>] schedule_preempt_disabled+0x15/0x20
Feb 13 10:47:38.224638 mirci kernel:  [<ffffffff8158f8be>] __mutex_lock_slowpath+0xce/0x140
Feb 13 10:47:38.224658 mirci kernel:  [<ffffffff8158f947>] mutex_lock+0x17/0x30
Feb 13 10:47:38.224673 mirci kernel:  [<ffffffffa0808021>] nfnl_lock+0x21/0x30 [nfnetlink]
Feb 13 10:47:38.224688 mirci kernel:  [<ffffffffa0a147e8>] nft_register_afinfo+0x28/0x60 [nf_tables]
Feb 13 10:47:38.224703 mirci kernel:  [<ffffffffa09e31d1>] nf_tables_ipv4_init_net+0xf1/0x120 [nf_tables_ipv4]
Feb 13 10:47:38.224719 mirci kernel:  [<ffffffff81482614>] ops_init+0xa4/0x120
Feb 13 10:47:38.224737 mirci kernel:  [<ffffffff81482fa0>] setup_net+0x90/0x140
Feb 13 10:47:38.224750 mirci kernel:  [<ffffffff8148387d>] copy_net_ns+0x6d/0xf0
Feb 13 10:47:38.224768 mirci kernel:  [<ffffffff810948ca>] create_new_namespaces+0xfa/0x190
Feb 13 10:47:38.224783 mirci kernel:  [<ffffffff81094ae1>] unshare_nsproxy_namespaces+0x61/0xa0
Feb 13 10:47:38.224798 mirci kernel:  [<ffffffff81075e6a>] SyS_unshare+0x1ba/0x310
Feb 13 10:47:38.224813 mirci kernel:  [<ffffffff81591b2e>] entry_SYSCALL_64_fastpath+0x12/0x71