====================================== | [ 6227.924761][ T11] br0: port 2(geneve_a) entered disabled state | [ 6227.925995][ T11] veth_A-C: left allmulticast mode | [ 6227.926155][ T11] veth_A-C: left promiscuous mode | [ 6227.926457][ T11] br0: port 1(veth_A-C) entered disabled state | [ 7746.785615][T14219] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 7746.786163][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 1/5 users at [7746.786163][T14219] dst_init (net/core/dst.c:53) [7746.786163][T14219] dst_alloc (net/core/dst.c:96) [7746.786163][T14219] ip6_dst_alloc (net/ipv6/route.c:342) [7746.786163][T14219] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [7746.786163][T14219] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [7746.786163][T14219] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [7746.786163][T14219] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [7746.786163][T14219] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [7746.786163][T14219] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [7746.786163][T14219] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [7746.786163][T14219] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [7746.786163][T14219] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [7746.786163][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) [7746.786163][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [7746.786163][T14219] arp_solicit (net/ipv4/arp.c:392) [7746.786163][T14219] neigh_probe (net/core/neighbour.c:1077) | [7746.786163][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) | [7746.786163][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [7746.786163][T14219] arp_solicit (net/ipv4/arp.c:392) | [7746.786163][T14219] neigh_probe (net/core/neighbour.c:1077) | [ 7746.786163][T14219] [ 7746.788937][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 2/5 users at [7746.788937][T14219] dst_init (net/core/dst.c:53) [7746.788937][T14219] dst_alloc (net/core/dst.c:96) [7746.788937][T14219] ip6_dst_alloc (net/ipv6/route.c:342) [7746.788937][T14219] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [7746.788937][T14219] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [7746.788937][T14219] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [7746.788937][T14219] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [7746.788937][T14219] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [7746.788937][T14219] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [7746.788937][T14219] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [7746.788937][T14219] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [7746.788937][T14219] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [7746.788937][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) [7746.788937][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [7746.788937][T14219] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [7746.788937][T14219] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [7746.788937][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) | [7746.788937][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [7746.788937][T14219] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [7746.788937][T14219] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 7746.788937][T14219] [ 7746.791105][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 1/5 users at [7746.791105][T14219] netdev_get_by_index (net/core/dev.c:914) [7746.791105][T14219] fib6_nh_init (net/ipv6/route.c:3543) [7746.791105][T14219] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [7746.791105][T14219] nexthop_create (net/ipv4/nexthop.c:2878) [7746.791105][T14219] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [7746.791105][T14219] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [7746.791105][T14219] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [7746.791105][T14219] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [7746.791105][T14219] netlink_sendmsg (net/netlink/af_netlink.c:1901) [7746.791105][T14219] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [7746.791105][T14219] ___sys_sendmsg (net/socket.c:2653) [7746.791105][T14219] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [7746.791105][T14219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [7746.791105][T14219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [7746.791105][T14219] ___sys_sendmsg (net/socket.c:2653) | [7746.791105][T14219] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [7746.791105][T14219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [7746.791105][T14219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 7746.791105][T14219] [ 7746.792973][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 1/5 users at [7746.792973][T14219] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [7746.792973][T14219] addrconf_notify (net/ipv6/addrconf.c:3653) [7746.792973][T14219] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [7746.792973][T14219] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10409) [7746.792973][T14219] veth_newlink (drivers/net/veth.c:1860) [7746.792973][T14219] rtnl_newlink_create (net/core/rtnetlink.c:3510) [7746.792973][T14219] __rtnl_newlink (net/core/rtnetlink.c:3730) [7746.792973][T14219] rtnl_newlink (net/core/rtnetlink.c:3744) [7746.792973][T14219] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [7746.792973][T14219] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [7746.792973][T14219] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [7746.792973][T14219] netlink_sendmsg (net/netlink/af_netlink.c:1901) [7746.792973][T14219] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [7746.792973][T14219] ___sys_sendmsg (net/socket.c:2653) [7746.792973][T14219] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [7746.792973][T14219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [7746.792973][T14219] ___sys_sendmsg (net/socket.c:2653) | [7746.792973][T14219] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [7746.792973][T14219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 7746.792973][T14219] | [ 7756.977424][T14219] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 7756.977792][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 1/5 users at [7756.977792][T14219] dst_init (net/core/dst.c:53) [7756.977792][T14219] dst_alloc (net/core/dst.c:96) [7756.977792][T14219] ip6_dst_alloc (net/ipv6/route.c:342) [7756.977792][T14219] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [7756.977792][T14219] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [7756.977792][T14219] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [7756.977792][T14219] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [7756.977792][T14219] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [7756.977792][T14219] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [7756.977792][T14219] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [7756.977792][T14219] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [7756.977792][T14219] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [7756.977792][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) [7756.977792][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [7756.977792][T14219] arp_solicit (net/ipv4/arp.c:392) [7756.977792][T14219] neigh_probe (net/core/neighbour.c:1077) | [7756.977792][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) | [7756.977792][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [7756.977792][T14219] arp_solicit (net/ipv4/arp.c:392) | [7756.977792][T14219] neigh_probe (net/core/neighbour.c:1077) | [ 7756.977792][T14219] [ 7756.979989][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 2/5 users at [7756.979989][T14219] dst_init (net/core/dst.c:53) [7756.979989][T14219] dst_alloc (net/core/dst.c:96) [7756.979989][T14219] ip6_dst_alloc (net/ipv6/route.c:342) [7756.979989][T14219] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [7756.979989][T14219] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [7756.979989][T14219] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [7756.979989][T14219] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [7756.979989][T14219] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [7756.979989][T14219] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [7756.979989][T14219] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [7756.979989][T14219] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [7756.979989][T14219] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [7756.979989][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) [7756.979989][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [7756.979989][T14219] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [7756.979989][T14219] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [7756.979989][T14219] dev_hard_start_xmit (./include/linux/netdevice.h:4880 ./include/linux/netdevice.h:4894 net/core/dev.c:3578 net/core/dev.c:3594) | [7756.979989][T14219] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [7756.979989][T14219] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [7756.979989][T14219] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 7756.979989][T14219] [ 7756.982165][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 1/5 users at [7756.982165][T14219] netdev_get_by_index (net/core/dev.c:914) [7756.982165][T14219] fib6_nh_init (net/ipv6/route.c:3543) [7756.982165][T14219] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [7756.982165][T14219] nexthop_create (net/ipv4/nexthop.c:2878) [7756.982165][T14219] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [7756.982165][T14219] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [7756.982165][T14219] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [7756.982165][T14219] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [7756.982165][T14219] netlink_sendmsg (net/netlink/af_netlink.c:1901) [7756.982165][T14219] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [7756.982165][T14219] ___sys_sendmsg (net/socket.c:2653) [7756.982165][T14219] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [7756.982165][T14219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [7756.982165][T14219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [7756.982165][T14219] ___sys_sendmsg (net/socket.c:2653) | [7756.982165][T14219] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [7756.982165][T14219] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [7756.982165][T14219] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 7756.982165][T14219] [ 7756.984034][T14219] ref_tracker: veth_A-R1@ffff88800fb4c5e0 has 1/5 users at [7756.984034][T14219] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [7756.984034][T14219] addrconf_notify (net/ipv6/addrconf.c:3653) [7756.984034][T14219] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [7756.984034][T14219] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10409) [7756.984034][T14219] veth_newlink (drivers/net/veth.c:1860) [7756.984034][T14219] rtnl_newlink_create (net/core/rtnetlink.c:3510) [7756.984034][T14219] __rtnl_newlink (net/core/rtnetlink.c:3730) [7756.984034][T14219] rtnl_newlink (net/core/rtnetlink.c:3744) [7756.984034][T14219] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [7756.984034][T14219] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [7756.984034][T14219] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [7756.984034][T14219] netlink_sendmsg (net/netlink/af_netlink.c:1901) [7756.984034][T14219] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [7756.984034][T14219] ___sys_sendmsg (net/socket.c:2653) [7756.984034][T14219] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) Finger prints: 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:ipv6_add_dev:addrconf_notify ___sys_sendmsg:__sys_sendmsg:do_syscall_64:dst_init:dst_alloc dst_init:dst_alloc:ip6_dst_alloc:ip6_rt_pcpu_alloc:ip6_pol_route