[ 2753.312399] ------------[ cut here ]------------
[ 2753.312465] rcuref - imbalanced put()
[ 2753.312466] WARNING: lib/rcuref.c:266 at rcuref_put_slowpath+0x38/0x60, CPU#1: swapper/1/0
[ 2753.312540] Modules linked in: unix_diag netdevsim sctp vxcan can_dev xfrm_interface ipvlan nft_chain_nat xt_nat cls_matchall pktgen cls_bpf xt_conntrack drop_monitor act_gact bonding macsec ip6_gre ip_gre gre sch_htb chacha libchacha chacha20poly1305 libpoly1305 tls cls_u32 ifb xt_mark sch_ingress act_mirred cls_basic sch_fq_codel xt_policy openvswitch psample nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nsh geneve act_csum act_pedit cls_flower sch_prio ip6t_REJECT nf_reject_ipv6 ip6t_rpfilter nft_compat nf_tables vxlan mpls_gso mpls_iptunnel mpls_router xfrm_user l2tp_ip6 l2tp_eth l2tp_ip l2tp_netlink l2tp_core [last unloaded: netdevsim]
[ 2753.312847] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.0.0-virtme #1 PREEMPT(lazy) 
[ 2753.312888] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 2753.312920] RIP: 0010:rcuref_put_slowpath+0x38/0x60
[ 2753.312949] 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
[ 2753.313044] RSP: 0018:ff61fd8f400ecea8 EFLAGS: 00010292
[ 2753.313075] RAX: 00000000dfffffff RBX: ff39b39ec12abcc8 RCX: ff39b39ec8eb0700
[ 2753.313113] RDX: ff93fd8f3fd81108 RSI: 00000000dfffffff RDI: ffffffff96c7d850
[ 2753.313160] RBP: ff39b39ec12abc00 R08: ff39b39ec12abcc8 R09: ffffffff9543023f
[ 2753.313201] R10: ffee6c7ec012ea00 R11: ff39b39ec1034180 R12: ff61fd8f400ecf38
[ 2753.313239] R13: 000000000000000a R14: 000000000000000a R15: 0000000000000000
[ 2753.313284] FS:  0000000000000000(0000) GS:ff39b39f67ac8000(0000) knlGS:0000000000000000
[ 2753.313325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2753.313360] CR2: 00007f0e8ca2faa0 CR3: 000000001e647004 CR4: 0000000000771ef0
[ 2753.313405] PKRU: 55555554
[ 2753.313423] Call Trace:
[ 2753.313438]  <IRQ>
[ 2753.313453]  dst_release+0x47/0xd0
[ 2753.313479]  fib6_nh_release_dsts.part.0+0x62/0x90
[ 2753.313509]  fib6_nh_release+0x41/0x70
[ 2753.313530]  fib6_info_destroy_rcu+0x80/0xc0
[ 2753.313558]  rcu_core+0x27f/0x9d0
[ 2753.313582]  ? __hrtimer_run_queues+0x125/0x230
[ 2753.313607]  handle_softirqs+0xc3/0x270
[ 2753.313630]  irq_exit_rcu+0x46/0xa0
[ 2753.313649]  sysvec_apic_timer_interrupt+0x6b/0x80
[ 2753.313680]  </IRQ>
[ 2753.313693]  <TASK>
[ 2753.313705]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 2753.313737] RIP: 0010:pv_native_safe_halt+0xf/0x10
[ 2753.313759] 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
[ 2753.313851] RSP: 0018:ff61fd8f400a7ed0 EFLAGS: 00000206
[ 2753.313877] RAX: ff39b39f67ac8000 RBX: ff39b39ec12f9700 RCX: 0000000000000000
[ 2753.313915] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000a3889a4
[ 2753.313959] RBP: 0000000000000001 R08: 000000000a3889a4 R09: ff39b39f67ac8000
[ 2753.314000] R10: 0000000000000c00 R11: 0000000000000000 R12: 0000000000000000
[ 2753.314041] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 2753.314086]  default_idle+0x9/0x10
[ 2753.314110]  default_idle_call+0x2c/0x110
[ 2753.314136]  ? arch_cpu_idle_enter+0x10/0x20
[ 2753.314164]  do_idle+0x1ef/0x220
[ 2753.314187]  cpu_startup_entry+0x29/0x30
[ 2753.314208]  start_secondary+0xe1/0xf0
[ 2753.314231]  common_startup_64+0x13e/0x148
[ 2753.314249]  </TASK>
[ 2753.314264] ---[ end trace 0000000000000000 ]---