[  132.799695] ------------[ cut here ]------------
[  132.799744] rcuref - imbalanced put()
[  132.799744] WARNING: lib/rcuref.c:266 at rcuref_put_slowpath+0x38/0x60, CPU#1: swapper/1/0
[  132.799814] Modules linked in: ip6t_rpfilter ipt_rpfilter act_gact netdevsim psample xfrm_user sch_etf sch_fq vxcan can_dev xfrm_interface macsec ipvlan act_tunnel_key bareudp mpls_gso mpls_iptunnel mpls_router ip_gre nft_chain_nat xt_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_compat nf_tables cls_flower act_mirred cls_matchall ip6_gre gre sch_ingress pktgen vxlan
[  132.800004] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.0.0-virtme #1 PREEMPT(lazy) 
[  132.800049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  132.800084] RIP: 0010:rcuref_put_slowpath+0x38/0x60
[  132.800117] Code: 00 e0 f0 0f b1 0f 0f 94 c0 75 0f c3 81 fe ff ff ff bf 77 07 85 f6 78 28 31 c0 c3 48 83 ec 08 48 89 3c 24 48 8d 3d 58 ce 41 01 <67> 48 0f b9 3a 48 8b 14 24 31 c0 c7 02 00 00 00 e0 48 83 c4 08 c3
[  132.800209] RSP: 0018:ff343c53c00ecea8 EFLAGS: 00010292
[  132.800240] RAX: 00000000dfffffff RBX: ff13251d44b22ac8 RCX: ff13251d46828800
[  132.800280] RDX: ff663c53bfd06b10 RSI: 00000000dfffffff RDI: ffffffffbde7d850
[  132.800320] RBP: ff13251d44b22a00 R08: ff13251d44b22ac8 R09: ffffffffbc63023f
[  132.800360] R10: ffcc3d0a40304ac0 R11: ff13251d41034180 R12: ff343c53c00ecf38
[  132.800410] R13: 000000000000000e R14: 000000000000000a R15: 0000000000000000
[  132.800453] FS:  0000000000000000(0000) GS:ff13251dc08c8000(0000) knlGS:0000000000000000
[  132.800495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  132.800531] CR2: 00007f53bd44f910 CR3: 0000000031647005 CR4: 0000000000771ef0
[  132.800572] PKRU: 55555554
[  132.800587] Call Trace:
[  132.800602]  <IRQ>
[  132.800618]  dst_release+0x47/0xd0
[  132.800642]  fib6_nh_release_dsts.part.0+0x62/0x90
[  132.800673]  fib6_nh_release+0x41/0x70
[  132.800699]  fib6_info_destroy_rcu+0x80/0xc0
[  132.800730]  rcu_core+0x27f/0x9d0
[  132.800754]  ? __hrtimer_run_queues+0x125/0x230
[  132.800786]  handle_softirqs+0xc3/0x270
[  132.800810]  irq_exit_rcu+0x46/0xa0
[  132.800832]  sysvec_apic_timer_interrupt+0x6b/0x80
[  132.800864]  </IRQ>
[  132.800877]  <TASK>
[  132.800893]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[  132.800923] RIP: 0010:pv_native_safe_halt+0xf/0x10
[  132.800951] Code: 48 8b 3d 74 70 2b 01 e8 1f 00 00 00 48 2b 05 b8 3f 56 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 45 96 10 00 fb f4 <c3> 0f 1f 40 d6 8b 17 89 d6 83 e6 fe 0f 01 f9 66 90 48 c1 e2 20 48
[  132.801045] RSP: 0018:ff343c53c00a7ed0 EFLAGS: 00000206
[  132.801079] RAX: ff13251dc08c8000 RBX: ff13251d412f9700 RCX: 0000000000000000
[  132.801117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000011c9ba4
[  132.801161] RBP: 0000000000000001 R08: 00000000011c9ba4 R09: ff13251dc08c8000
[  132.801203] R10: 0000000000000400 R11: 0000000000000000 R12: 0000000000000000
[  132.801245] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[  132.801289]  default_idle+0x9/0x10
[  132.801307]  default_idle_call+0x2c/0x110
[  132.801330]  ? arch_cpu_idle_enter+0x10/0x20
[  132.801355]  do_idle+0x1ef/0x220
[  132.801383]  cpu_startup_entry+0x29/0x30
[  132.801413]  start_secondary+0xe1/0xf0
[  132.801436]  common_startup_64+0x13e/0x148
[  132.801455]  </TASK>
[  132.801470] ---[ end trace 0000000000000000 ]---