====================================== | [ 1047.964880][ T74] veth_A-C: left allmulticast mode | [ 1047.965030][ T74] veth_A-C: left promiscuous mode | [ 1047.965283][ T74] br0: port 1(veth_A-C) entered disabled state | [ 1603.792571][T10777] Initializing XFRM netlink socket | [ 1852.494617][T12480] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 1852.495151][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1852.495151][T12480] dst_init (net/core/dst.c:53) [1852.495151][T12480] dst_alloc (net/core/dst.c:96) [1852.495151][T12480] ip6_dst_alloc (net/ipv6/route.c:343) [1852.495151][T12480] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [1852.495151][T12480] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [1852.495151][T12480] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [1852.495151][T12480] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [1852.495151][T12480] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [1852.495151][T12480] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [1852.495151][T12480] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [1852.495151][T12480] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [1852.495151][T12480] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [1852.495151][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [1852.495151][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [1852.495151][T12480] arp_solicit (net/ipv4/arp.c:392) [1852.495151][T12480] neigh_probe (net/core/neighbour.c:1077) | [1852.495151][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [1852.495151][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [1852.495151][T12480] arp_solicit (net/ipv4/arp.c:392) | [1852.495151][T12480] neigh_probe (net/core/neighbour.c:1077) | [ 1852.495151][T12480] [ 1852.498082][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1852.498082][T12480] dst_init (net/core/dst.c:53) [1852.498082][T12480] dst_alloc (net/core/dst.c:96) [1852.498082][T12480] ip6_dst_alloc (net/ipv6/route.c:343) [1852.498082][T12480] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [1852.498082][T12480] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [1852.498082][T12480] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [1852.498082][T12480] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [1852.498082][T12480] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [1852.498082][T12480] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [1852.498082][T12480] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [1852.498082][T12480] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [1852.498082][T12480] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [1852.498082][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [1852.498082][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [1852.498082][T12480] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [1852.498082][T12480] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [1852.498082][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [1852.498082][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [1852.498082][T12480] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [1852.498082][T12480] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 1852.498082][T12480] [ 1852.500438][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1852.500438][T12480] netdev_get_by_index (net/core/dev.c:914) [1852.500438][T12480] fib6_nh_init (net/ipv6/route.c:3541) [1852.500438][T12480] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [1852.500438][T12480] nexthop_create (net/ipv4/nexthop.c:2878) [1852.500438][T12480] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [1852.500438][T12480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [1852.500438][T12480] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [1852.500438][T12480] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [1852.500438][T12480] netlink_sendmsg (net/netlink/af_netlink.c:1905) [1852.500438][T12480] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [1852.500438][T12480] ___sys_sendmsg (net/socket.c:2641) [1852.500438][T12480] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [1852.500438][T12480] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1852.500438][T12480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [1852.500438][T12480] ___sys_sendmsg (net/socket.c:2641) | [1852.500438][T12480] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [1852.500438][T12480] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [1852.500438][T12480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 1852.500438][T12480] [ 1852.502471][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1852.502471][T12480] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [1852.502471][T12480] addrconf_notify (net/ipv6/addrconf.c:3653) [1852.502471][T12480] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [1852.502471][T12480] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10408) [1852.502471][T12480] veth_newlink (drivers/net/veth.c:1860) [1852.502471][T12480] rtnl_newlink_create (net/core/rtnetlink.c:3510) [1852.502471][T12480] __rtnl_newlink (net/core/rtnetlink.c:3730) [1852.502471][T12480] rtnl_newlink (net/core/rtnetlink.c:3744) [1852.502471][T12480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [1852.502471][T12480] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [1852.502471][T12480] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [1852.502471][T12480] netlink_sendmsg (net/netlink/af_netlink.c:1905) [1852.502471][T12480] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [1852.502471][T12480] ___sys_sendmsg (net/socket.c:2641) [1852.502471][T12480] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [1852.502471][T12480] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [1852.502471][T12480] ___sys_sendmsg (net/socket.c:2641) | [1852.502471][T12480] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [1852.502471][T12480] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 1852.502471][T12480] | [ 1862.710579][T12480] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 1862.711010][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1862.711010][T12480] dst_init (net/core/dst.c:53) [1862.711010][T12480] dst_alloc (net/core/dst.c:96) [1862.711010][T12480] ip6_dst_alloc (net/ipv6/route.c:343) [1862.711010][T12480] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [1862.711010][T12480] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [1862.711010][T12480] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [1862.711010][T12480] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [1862.711010][T12480] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [1862.711010][T12480] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [1862.711010][T12480] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [1862.711010][T12480] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [1862.711010][T12480] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [1862.711010][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [1862.711010][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [1862.711010][T12480] arp_solicit (net/ipv4/arp.c:392) [1862.711010][T12480] neigh_probe (net/core/neighbour.c:1077) | [1862.711010][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [1862.711010][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [1862.711010][T12480] arp_solicit (net/ipv4/arp.c:392) | [1862.711010][T12480] neigh_probe (net/core/neighbour.c:1077) | [ 1862.711010][T12480] [ 1862.713584][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1862.713584][T12480] dst_init (net/core/dst.c:53) [1862.713584][T12480] dst_alloc (net/core/dst.c:96) [1862.713584][T12480] ip6_dst_alloc (net/ipv6/route.c:343) [1862.713584][T12480] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [1862.713584][T12480] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [1862.713584][T12480] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [1862.713584][T12480] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [1862.713584][T12480] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [1862.713584][T12480] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [1862.713584][T12480] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [1862.713584][T12480] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [1862.713584][T12480] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [1862.713584][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [1862.713584][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [1862.713584][T12480] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [1862.713584][T12480] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [1862.713584][T12480] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [1862.713584][T12480] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [1862.713584][T12480] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [1862.713584][T12480] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 1862.713584][T12480] [ 1862.716101][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1862.716101][T12480] netdev_get_by_index (net/core/dev.c:914) [1862.716101][T12480] fib6_nh_init (net/ipv6/route.c:3541) [1862.716101][T12480] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [1862.716101][T12480] nexthop_create (net/ipv4/nexthop.c:2878) [1862.716101][T12480] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [1862.716101][T12480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [1862.716101][T12480] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [1862.716101][T12480] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [1862.716101][T12480] netlink_sendmsg (net/netlink/af_netlink.c:1905) [1862.716101][T12480] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [1862.716101][T12480] ___sys_sendmsg (net/socket.c:2641) [1862.716101][T12480] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [1862.716101][T12480] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [1862.716101][T12480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [1862.716101][T12480] ___sys_sendmsg (net/socket.c:2641) | [1862.716101][T12480] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [1862.716101][T12480] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [1862.716101][T12480] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 1862.716101][T12480] [ 1862.718256][T12480] ref_tracker: veth_A-R1@ffff88800a1815e0 has 1/4 users at [1862.718256][T12480] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [1862.718256][T12480] addrconf_notify (net/ipv6/addrconf.c:3653) [1862.718256][T12480] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [1862.718256][T12480] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10408) [1862.718256][T12480] veth_newlink (drivers/net/veth.c:1860) [1862.718256][T12480] rtnl_newlink_create (net/core/rtnetlink.c:3510) [1862.718256][T12480] __rtnl_newlink (net/core/rtnetlink.c:3730) [1862.718256][T12480] rtnl_newlink (net/core/rtnetlink.c:3744) [1862.718256][T12480] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [1862.718256][T12480] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [1862.718256][T12480] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [1862.718256][T12480] netlink_sendmsg (net/netlink/af_netlink.c:1905) [1862.718256][T12480] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [1862.718256][T12480] ___sys_sendmsg (net/socket.c:2641) [1862.718256][T12480] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) Finger prints: dst_init:dst_alloc:ip6_dst_alloc:ip6_rt_pcpu_alloc:ip6_pol_route dev_hard_start_xmit:__dev_queue_xmit:arp_solicit:neigh_probe:dst_init dev_hard_start_xmit:__dev_queue_xmit:ip6_finish_output2:ip6_finish_output:netdev_get_by_index ___sys_sendmsg:__sys_sendmsg:do_syscall_64:ipv6_add_dev:addrconf_notify ___sys_sendmsg:__sys_sendmsg:do_syscall_64:dst_init:dst_alloc dev_hard_start_xmit:__dev_queue_xmit:arp_solicit:neigh_probe:dst_init dev_hard_start_xmit:__dev_queue_xmit:ip6_finish_output2:ip6_finish_output:netdev_get_by_index ___sys_sendmsg:__sys_sendmsg:do_syscall_64:ipv6_add_dev:addrconf_notify