======================================
| 0
| xx__-> [ 40.895267][ T249] openvswitch: Open vSwitch switching datapath
| [ 58.855014][ C1] BUG: spinlock bad magic on CPU#1, kworker/1:1/50
| [ 58.855313][ C1] lock: noop_qdisc+0x240/0x300, .magic: 00000000, .owner: kworker/1:1/50, .owner_cpu: 1
[ 58.855865][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 58.856191][ C1] Workqueue: events linkwatch_event
[ 58.856364][ C1] Call Trace:
[ 58.856513][ C1]
[ 58.856598][ C1] dump_stack_lvl (lib/dump_stack.c:122)
[ 58.856755][ C1] do_raw_spin_unlock (kernel/locking/spinlock_debug.c:100 kernel/locking/spinlock_debug.c:141)
[ 58.856912][ C1] _raw_spin_unlock (./arch/x86/include/asm/preempt.h:94 ./include/linux/spinlock_api_smp.h:143 kernel/locking/spinlock.c:186)
[ 58.857064][ C1] net_tx_action (./include/net/sch_generic.h:226 ./include/net/sch_generic.h:217 ./include/net/pkt_sched.h:128 ./include/net/pkt_sched.h:124 net/core/dev.c:5323)
[ 58.857215][ C1] handle_softirqs (kernel/softirq.c:554)
[ 58.857367][ C1] ? dev_deactivate_many (./include/linux/bottom_half.h:33 ./include/linux/netdevice.h:4448 net/sched/sch_generic.c:571 net/sched/sch_generic.c:1363)
[ 58.857565][ C1] do_softirq (kernel/softirq.c:455 kernel/softirq.c:442)
[ 58.857698][ C1]
[ 58.857776][ C1]
[ 58.857847][ C1] __local_bh_enable_ip (kernel/softirq.c:382)
[ 58.857991][ C1] dev_deactivate_many (net/sched/sch_generic.c:1356)
[ 58.858161][ C1] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52))
[ 58.858307][ C1] dev_deactivate (./include/linux/list.h:111 ./include/linux/list.h:215 ./include/linux/list.h:229 net/sched/sch_generic.c:1398)
[ 58.858465][ C1] ? __pfx_dev_deactivate (net/sched/sch_generic.c:1393)
[ 58.858641][ C1] ? veth_get_iflink (drivers/net/veth.c:1453)
[ 58.858798][ C1] linkwatch_do_dev (net/core/link_watch.c:177)
[ 58.859015][ C1] __linkwatch_run_queue (./include/linux/spinlock.h:376 net/core/link_watch.c:236)
[ 58.859174][ C1] ? __pfx___linkwatch_run_queue (net/core/link_watch.c:186)
[ 58.859336][ C1] ? process_one_work (kernel/workqueue.c:3207)
[ 58.859499][ C1] ? lock_acquire (kernel/locking/lockdep.c:5732)
[ 58.859643][ C1] linkwatch_event (net/core/link_watch.c:278)
[ 58.859816][ C1] process_one_work (kernel/workqueue.c:3231)
[ 58.859979][ C1] ? __pfx___lock_release (kernel/locking/lockdep.c:5411)
[ 58.860185][ C1] ? __pfx_process_one_work (kernel/workqueue.c:3133)
[ 58.860337][ C1] ? assign_work (kernel/workqueue.c:1202)
[ 58.860483][ C1] worker_thread (kernel/workqueue.c:3306 kernel/workqueue.c:3390)
[ 58.860619][ C1] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358)
[ 58.860806][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3339)
[ 58.860968][ C1] ? __pfx_worker_thread (kernel/workqueue.c:3339)
[ 58.861121][ C1] kthread (kernel/kthread.c:389)
[ 58.861227][ C1] ? __pfx_kthread (kernel/kthread.c:342)
[ 58.861382][ C1] ret_from_fork (arch/x86/kernel/process.c:147)
[ 58.861538][ C1] ? __pfx_kthread (kernel/kthread.c:342)
[ 58.861707][ C1] ret_from_fork_asm (arch/x86/entry/entry_64.S:257)
| [ 2546.873734][ T73] veth_A-C (unregistering): left promiscuous mode
| [ 2556.032078][T14230] geneve_a: left promiscuous mode
| [ 2559.964564][T14243] ovs_br0: left promiscuous mode
| [ 3219.382154][T18507] Initializing XFRM netlink socket
| [ 3590.492283][T20757] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5
[ 3590.492679][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3590.492679][T20757] dst_init (net/core/dst.c:53)
[3590.492679][T20757] dst_alloc (net/core/dst.c:96)
[3590.492679][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3590.492679][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3590.492679][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3590.492679][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3590.492679][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3590.492679][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3590.492679][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3590.492679][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3590.492679][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3590.492679][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3590.492679][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3590.492679][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3590.492679][T20757] arp_solicit (net/ipv4/arp.c:392)
[3590.492679][T20757] neigh_probe (net/core/neighbour.c:1077)
| [3590.492679][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3590.492679][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3590.492679][T20757] arp_solicit (net/ipv4/arp.c:392)
| [3590.492679][T20757] neigh_probe (net/core/neighbour.c:1077)
| [ 3590.492679][T20757]
[ 3590.494624][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3590.494624][T20757] dst_init (net/core/dst.c:53)
[3590.494624][T20757] dst_alloc (net/core/dst.c:96)
[3590.494624][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3590.494624][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3590.494624][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3590.494624][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3590.494624][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3590.494624][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3590.494624][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3590.494624][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3590.494624][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3590.494624][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3590.494624][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3590.494624][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3590.494624][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
[3590.494624][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [3590.494624][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3590.494624][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3590.494624][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
| [3590.494624][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [ 3590.494624][T20757]
[ 3590.496561][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3590.496561][T20757] netdev_get_by_index (net/core/dev.c:916)
[3590.496561][T20757] fib6_nh_init (net/ipv6/route.c:3543)
[3590.496561][T20757] nh_create_ipv6 (net/ipv4/nexthop.c:2828)
[3590.496561][T20757] nexthop_create (net/ipv4/nexthop.c:2879)
[3590.496561][T20757] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207)
[3590.496561][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3590.496561][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3590.496561][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3590.496561][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3590.496561][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3590.496561][T20757] ___sys_sendmsg (net/socket.c:2653)
[3590.496561][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3590.496561][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3590.496561][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [3590.496561][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3590.496561][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3590.496561][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3590.496561][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [ 3590.496561][T20757]
[ 3590.498237][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3590.498237][T20757] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411)
[3590.498237][T20757] addrconf_notify (net/ipv6/addrconf.c:3658)
[3590.498237][T20757] notifier_call_chain (kernel/notifier.c:93 (discriminator 2))
[3590.498237][T20757] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470)
[3590.498237][T20757] veth_newlink (drivers/net/veth.c:1860)
[3590.498237][T20757] rtnl_newlink_create (net/core/rtnetlink.c:3510)
[3590.498237][T20757] __rtnl_newlink (net/core/rtnetlink.c:3730)
[3590.498237][T20757] rtnl_newlink (net/core/rtnetlink.c:3744)
[3590.498237][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3590.498237][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3590.498237][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3590.498237][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3590.498237][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3590.498237][T20757] ___sys_sendmsg (net/socket.c:2653)
[3590.498237][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3590.498237][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3590.498237][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3590.498237][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3590.498237][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [ 3590.498237][T20757]
| [ 3600.611384][T20757] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5
[ 3600.611763][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3600.611763][T20757] dst_init (net/core/dst.c:53)
[3600.611763][T20757] dst_alloc (net/core/dst.c:96)
[3600.611763][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3600.611763][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3600.611763][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3600.611763][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3600.611763][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3600.611763][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3600.611763][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3600.611763][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3600.611763][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3600.611763][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3600.611763][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3600.611763][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3600.611763][T20757] arp_solicit (net/ipv4/arp.c:392)
[3600.611763][T20757] neigh_probe (net/core/neighbour.c:1077)
| [3600.611763][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3600.611763][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3600.611763][T20757] arp_solicit (net/ipv4/arp.c:392)
| [3600.611763][T20757] neigh_probe (net/core/neighbour.c:1077)
| [ 3600.611763][T20757]
[ 3600.613768][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3600.613768][T20757] dst_init (net/core/dst.c:53)
[3600.613768][T20757] dst_alloc (net/core/dst.c:96)
[3600.613768][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3600.613768][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3600.613768][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3600.613768][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3600.613768][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3600.613768][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3600.613768][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3600.613768][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3600.613768][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3600.613768][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3600.613768][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3600.613768][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3600.613768][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
[3600.613768][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [3600.613768][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3600.613768][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3600.613768][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
| [3600.613768][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [ 3600.613768][T20757]
[ 3600.615749][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3600.615749][T20757] netdev_get_by_index (net/core/dev.c:916)
[3600.615749][T20757] fib6_nh_init (net/ipv6/route.c:3543)
[3600.615749][T20757] nh_create_ipv6 (net/ipv4/nexthop.c:2828)
[3600.615749][T20757] nexthop_create (net/ipv4/nexthop.c:2879)
[3600.615749][T20757] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207)
[3600.615749][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3600.615749][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3600.615749][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3600.615749][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3600.615749][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3600.615749][T20757] ___sys_sendmsg (net/socket.c:2653)
[3600.615749][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3600.615749][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3600.615749][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [3600.615749][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3600.615749][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3600.615749][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3600.615749][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [ 3600.615749][T20757]
[ 3600.617449][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3600.617449][T20757] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411)
[3600.617449][T20757] addrconf_notify (net/ipv6/addrconf.c:3658)
[3600.617449][T20757] notifier_call_chain (kernel/notifier.c:93 (discriminator 2))
[3600.617449][T20757] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470)
[3600.617449][T20757] veth_newlink (drivers/net/veth.c:1860)
[3600.617449][T20757] rtnl_newlink_create (net/core/rtnetlink.c:3510)
[3600.617449][T20757] __rtnl_newlink (net/core/rtnetlink.c:3730)
[3600.617449][T20757] rtnl_newlink (net/core/rtnetlink.c:3744)
[3600.617449][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3600.617449][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3600.617449][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3600.617449][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3600.617449][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3600.617449][T20757] ___sys_sendmsg (net/socket.c:2653)
[3600.617449][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3600.617449][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3600.617449][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3600.617449][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3600.617449][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [ 3600.617449][T20757]
| [ 3610.827291][T20757] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5
[ 3610.827715][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3610.827715][T20757] dst_init (net/core/dst.c:53)
[3610.827715][T20757] dst_alloc (net/core/dst.c:96)
[3610.827715][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3610.827715][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3610.827715][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3610.827715][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3610.827715][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3610.827715][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3610.827715][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3610.827715][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3610.827715][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3610.827715][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3610.827715][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3610.827715][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3610.827715][T20757] arp_solicit (net/ipv4/arp.c:392)
[3610.827715][T20757] neigh_probe (net/core/neighbour.c:1077)
| [3610.827715][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3610.827715][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3610.827715][T20757] arp_solicit (net/ipv4/arp.c:392)
| [3610.827715][T20757] neigh_probe (net/core/neighbour.c:1077)
| [ 3610.827715][T20757]
[ 3610.829713][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3610.829713][T20757] dst_init (net/core/dst.c:53)
[3610.829713][T20757] dst_alloc (net/core/dst.c:96)
[3610.829713][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3610.829713][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3610.829713][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3610.829713][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3610.829713][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3610.829713][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3610.829713][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3610.829713][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3610.829713][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3610.829713][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3610.829713][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3610.829713][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3610.829713][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
[3610.829713][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [3610.829713][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3610.829713][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3610.829713][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
| [3610.829713][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [ 3610.829713][T20757]
[ 3610.831780][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3610.831780][T20757] netdev_get_by_index (net/core/dev.c:916)
[3610.831780][T20757] fib6_nh_init (net/ipv6/route.c:3543)
[3610.831780][T20757] nh_create_ipv6 (net/ipv4/nexthop.c:2828)
[3610.831780][T20757] nexthop_create (net/ipv4/nexthop.c:2879)
[3610.831780][T20757] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207)
[3610.831780][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3610.831780][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3610.831780][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3610.831780][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3610.831780][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3610.831780][T20757] ___sys_sendmsg (net/socket.c:2653)
[3610.831780][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3610.831780][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3610.831780][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [3610.831780][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3610.831780][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3610.831780][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3610.831780][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [ 3610.831780][T20757]
[ 3610.833577][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3610.833577][T20757] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411)
[3610.833577][T20757] addrconf_notify (net/ipv6/addrconf.c:3658)
[3610.833577][T20757] notifier_call_chain (kernel/notifier.c:93 (discriminator 2))
[3610.833577][T20757] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470)
[3610.833577][T20757] veth_newlink (drivers/net/veth.c:1860)
[3610.833577][T20757] rtnl_newlink_create (net/core/rtnetlink.c:3510)
[3610.833577][T20757] __rtnl_newlink (net/core/rtnetlink.c:3730)
[3610.833577][T20757] rtnl_newlink (net/core/rtnetlink.c:3744)
[3610.833577][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3610.833577][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3610.833577][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3610.833577][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3610.833577][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3610.833577][T20757] ___sys_sendmsg (net/socket.c:2653)
[3610.833577][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3610.833577][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3610.833577][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3610.833577][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3610.833577][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [ 3610.833577][T20757]
| [ 3620.996419][T20757] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5
[ 3620.996851][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3620.996851][T20757] dst_init (net/core/dst.c:53)
[3620.996851][T20757] dst_alloc (net/core/dst.c:96)
[3620.996851][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3620.996851][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3620.996851][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3620.996851][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3620.996851][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3620.996851][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3620.996851][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3620.996851][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3620.996851][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3620.996851][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3620.996851][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3620.996851][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3620.996851][T20757] arp_solicit (net/ipv4/arp.c:392)
[3620.996851][T20757] neigh_probe (net/core/neighbour.c:1077)
| [3620.996851][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3620.996851][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3620.996851][T20757] arp_solicit (net/ipv4/arp.c:392)
| [3620.996851][T20757] neigh_probe (net/core/neighbour.c:1077)
| [ 3620.996851][T20757]
[ 3620.998833][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3620.998833][T20757] dst_init (net/core/dst.c:53)
[3620.998833][T20757] dst_alloc (net/core/dst.c:96)
[3620.998833][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3620.998833][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3620.998833][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3620.998833][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3620.998833][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3620.998833][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3620.998833][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3620.998833][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3620.998833][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3620.998833][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3620.998833][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3620.998833][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3620.998833][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
[3620.998833][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [3620.998833][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3620.998833][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3620.998833][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
| [3620.998833][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [ 3620.998833][T20757]
[ 3621.000818][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3621.000818][T20757] netdev_get_by_index (net/core/dev.c:916)
[3621.000818][T20757] fib6_nh_init (net/ipv6/route.c:3543)
[3621.000818][T20757] nh_create_ipv6 (net/ipv4/nexthop.c:2828)
[3621.000818][T20757] nexthop_create (net/ipv4/nexthop.c:2879)
[3621.000818][T20757] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207)
[3621.000818][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3621.000818][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3621.000818][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3621.000818][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3621.000818][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3621.000818][T20757] ___sys_sendmsg (net/socket.c:2653)
[3621.000818][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3621.000818][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3621.000818][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [3621.000818][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3621.000818][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3621.000818][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3621.000818][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [ 3621.000818][T20757]
[ 3621.002537][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3621.002537][T20757] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411)
[3621.002537][T20757] addrconf_notify (net/ipv6/addrconf.c:3658)
[3621.002537][T20757] notifier_call_chain (kernel/notifier.c:93 (discriminator 2))
[3621.002537][T20757] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470)
[3621.002537][T20757] veth_newlink (drivers/net/veth.c:1860)
[3621.002537][T20757] rtnl_newlink_create (net/core/rtnetlink.c:3510)
[3621.002537][T20757] __rtnl_newlink (net/core/rtnetlink.c:3730)
[3621.002537][T20757] rtnl_newlink (net/core/rtnetlink.c:3744)
[3621.002537][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3621.002537][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3621.002537][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3621.002537][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3621.002537][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3621.002537][T20757] ___sys_sendmsg (net/socket.c:2653)
[3621.002537][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3621.002537][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3621.002537][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3621.002537][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3621.002537][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [ 3621.002537][T20757]
| [ 3631.100498][T20757] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5
[ 3631.100922][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3631.100922][T20757] dst_init (net/core/dst.c:53)
[3631.100922][T20757] dst_alloc (net/core/dst.c:96)
[3631.100922][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3631.100922][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3631.100922][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3631.100922][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3631.100922][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3631.100922][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3631.100922][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3631.100922][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3631.100922][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3631.100922][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3631.100922][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3631.100922][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3631.100922][T20757] arp_solicit (net/ipv4/arp.c:392)
[3631.100922][T20757] neigh_probe (net/core/neighbour.c:1077)
| [3631.100922][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3631.100922][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3631.100922][T20757] arp_solicit (net/ipv4/arp.c:392)
| [3631.100922][T20757] neigh_probe (net/core/neighbour.c:1077)
| [ 3631.100922][T20757]
[ 3631.102857][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3631.102857][T20757] dst_init (net/core/dst.c:53)
[3631.102857][T20757] dst_alloc (net/core/dst.c:96)
[3631.102857][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3631.102857][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3631.102857][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3631.102857][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3631.102857][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3631.102857][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3631.102857][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3631.102857][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3631.102857][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3631.102857][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3631.102857][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3631.102857][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3631.102857][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
[3631.102857][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [3631.102857][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3631.102857][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3631.102857][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
| [3631.102857][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [ 3631.102857][T20757]
[ 3631.104801][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3631.104801][T20757] netdev_get_by_index (net/core/dev.c:916)
[3631.104801][T20757] fib6_nh_init (net/ipv6/route.c:3543)
[3631.104801][T20757] nh_create_ipv6 (net/ipv4/nexthop.c:2828)
[3631.104801][T20757] nexthop_create (net/ipv4/nexthop.c:2879)
[3631.104801][T20757] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207)
[3631.104801][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3631.104801][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3631.104801][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3631.104801][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3631.104801][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3631.104801][T20757] ___sys_sendmsg (net/socket.c:2653)
[3631.104801][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3631.104801][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3631.104801][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [3631.104801][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3631.104801][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3631.104801][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3631.104801][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [ 3631.104801][T20757]
[ 3631.106473][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3631.106473][T20757] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411)
[3631.106473][T20757] addrconf_notify (net/ipv6/addrconf.c:3658)
[3631.106473][T20757] notifier_call_chain (kernel/notifier.c:93 (discriminator 2))
[3631.106473][T20757] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470)
[3631.106473][T20757] veth_newlink (drivers/net/veth.c:1860)
[3631.106473][T20757] rtnl_newlink_create (net/core/rtnetlink.c:3510)
[3631.106473][T20757] __rtnl_newlink (net/core/rtnetlink.c:3730)
[3631.106473][T20757] rtnl_newlink (net/core/rtnetlink.c:3744)
[3631.106473][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3631.106473][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3631.106473][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3631.106473][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3631.106473][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3631.106473][T20757] ___sys_sendmsg (net/socket.c:2653)
[3631.106473][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3631.106473][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3631.106473][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3631.106473][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3631.106473][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [ 3631.106473][T20757]
| [ 3641.131316][T20757] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5
[ 3641.131650][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3641.131650][T20757] dst_init (net/core/dst.c:53)
[3641.131650][T20757] dst_alloc (net/core/dst.c:96)
[3641.131650][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3641.131650][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3641.131650][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3641.131650][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3641.131650][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3641.131650][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3641.131650][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3641.131650][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3641.131650][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3641.131650][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3641.131650][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3641.131650][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3641.131650][T20757] arp_solicit (net/ipv4/arp.c:392)
[3641.131650][T20757] neigh_probe (net/core/neighbour.c:1077)
| [3641.131650][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3641.131650][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3641.131650][T20757] arp_solicit (net/ipv4/arp.c:392)
| [3641.131650][T20757] neigh_probe (net/core/neighbour.c:1077)
| [ 3641.131650][T20757]
[ 3641.133637][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3641.133637][T20757] dst_init (net/core/dst.c:53)
[3641.133637][T20757] dst_alloc (net/core/dst.c:96)
[3641.133637][T20757] ip6_dst_alloc (net/ipv6/route.c:342)
[3641.133637][T20757] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381)
[3641.133637][T20757] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267)
[3641.133637][T20757] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121)
[3641.133637][T20757] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651)
[3641.133637][T20757] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148)
[3641.133637][T20757] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252)
[3641.133637][T20757] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135)
[3641.133637][T20757] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan
[3641.133637][T20757] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan
[3641.133637][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
[3641.133637][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
[3641.133637][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
[3641.133637][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [3641.133637][T20757] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596)
| [3641.133637][T20757] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424)
| [3641.133637][T20757] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137)
| [3641.133637][T20757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222)
| [ 3641.133637][T20757]
[ 3641.135568][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3641.135568][T20757] netdev_get_by_index (net/core/dev.c:916)
[3641.135568][T20757] fib6_nh_init (net/ipv6/route.c:3543)
[3641.135568][T20757] nh_create_ipv6 (net/ipv4/nexthop.c:2828)
[3641.135568][T20757] nexthop_create (net/ipv4/nexthop.c:2879)
[3641.135568][T20757] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207)
[3641.135568][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3641.135568][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3641.135568][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3641.135568][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3641.135568][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3641.135568][T20757] ___sys_sendmsg (net/socket.c:2653)
[3641.135568][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
[3641.135568][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
[3641.135568][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [3641.135568][T20757] ___sys_sendmsg (net/socket.c:2653)
| [3641.135568][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
| [3641.135568][T20757] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83)
| [3641.135568][T20757] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
| [ 3641.135568][T20757]
[ 3641.137243][T20757] ref_tracker: veth_A-R1@ffff88800c3945e0 has 1/4 users at
[3641.137243][T20757] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411)
[3641.137243][T20757] addrconf_notify (net/ipv6/addrconf.c:3658)
[3641.137243][T20757] notifier_call_chain (kernel/notifier.c:93 (discriminator 2))
[3641.137243][T20757] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470)
[3641.137243][T20757] veth_newlink (drivers/net/veth.c:1860)
[3641.137243][T20757] rtnl_newlink_create (net/core/rtnetlink.c:3510)
[3641.137243][T20757] __rtnl_newlink (net/core/rtnetlink.c:3730)
[3641.137243][T20757] rtnl_newlink (net/core/rtnetlink.c:3744)
[3641.137243][T20757] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647)
[3641.137243][T20757] netlink_rcv_skb (net/netlink/af_netlink.c:2550)
[3641.137243][T20757] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357)
[3641.137243][T20757] netlink_sendmsg (net/netlink/af_netlink.c:1901)
[3641.137243][T20757] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597)
[3641.137243][T20757] ___sys_sendmsg (net/socket.c:2653)
[3641.137243][T20757] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682)
Finger prints:
dst_init:dst_alloc:ip6_dst_alloc:ip6_rt_pcpu_alloc:ip6_pol_route
do_raw_spin_unlock:_raw_spin_unlock:net_tx_action:handle_softirqs:do_softirq
dev_hard_start_xmit:__dev_queue_xmit:ip6_finish_output2:ip6_finish_output:netdev_get_by_index
dev_hard_start_xmit:__dev_queue_xmit:arp_solicit:neigh_probe:dst_init
___sys_sendmsg:__sys_sendmsg:do_syscall_64:dst_init:dst_alloc
___sys_sendmsg:__sys_sendmsg:do_syscall_64:ipv6_add_dev:addrconf_notify