====================================== | [ 5743.038340][ T75] br0: port 2(geneve_a) entered disabled state | [ 5743.045233][ T75] veth_A-C: left allmulticast mode | [ 5743.045409][ T75] veth_A-C: left promiscuous mode | [ 5743.045700][ T75] br0: port 1(veth_A-C) entered disabled state | [ 6493.542616][T11086] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 6493.543223][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6493.543223][T11086] dst_init (net/core/dst.c:53) [6493.543223][T11086] dst_alloc (net/core/dst.c:96) [6493.543223][T11086] ip6_dst_alloc (net/ipv6/route.c:343) [6493.543223][T11086] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [6493.543223][T11086] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [6493.543223][T11086] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [6493.543223][T11086] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [6493.543223][T11086] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [6493.543223][T11086] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [6493.543223][T11086] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [6493.543223][T11086] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [6493.543223][T11086] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [6493.543223][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [6493.543223][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [6493.543223][T11086] arp_solicit (net/ipv4/arp.c:392) [6493.543223][T11086] neigh_probe (net/core/neighbour.c:1077) | [6493.543223][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [6493.543223][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [6493.543223][T11086] arp_solicit (net/ipv4/arp.c:392) | [6493.543223][T11086] neigh_probe (net/core/neighbour.c:1077) | [ 6493.543223][T11086] [ 6493.546223][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6493.546223][T11086] dst_init (net/core/dst.c:53) [6493.546223][T11086] dst_alloc (net/core/dst.c:96) [6493.546223][T11086] ip6_dst_alloc (net/ipv6/route.c:343) [6493.546223][T11086] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [6493.546223][T11086] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [6493.546223][T11086] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [6493.546223][T11086] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [6493.546223][T11086] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [6493.546223][T11086] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [6493.546223][T11086] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [6493.546223][T11086] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [6493.546223][T11086] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [6493.546223][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [6493.546223][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [6493.546223][T11086] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [6493.546223][T11086] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [6493.546223][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [6493.546223][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [6493.546223][T11086] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [6493.546223][T11086] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 6493.546223][T11086] [ 6493.548494][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6493.548494][T11086] netdev_get_by_index (net/core/dev.c:914) [6493.548494][T11086] fib6_nh_init (net/ipv6/route.c:3541) [6493.548494][T11086] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [6493.548494][T11086] nexthop_create (net/ipv4/nexthop.c:2878) [6493.548494][T11086] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [6493.548494][T11086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [6493.548494][T11086] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [6493.548494][T11086] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [6493.548494][T11086] netlink_sendmsg (net/netlink/af_netlink.c:1905) [6493.548494][T11086] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [6493.548494][T11086] ___sys_sendmsg (net/socket.c:2640) [6493.548494][T11086] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [6493.548494][T11086] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [6493.548494][T11086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [6493.548494][T11086] ___sys_sendmsg (net/socket.c:2640) | [6493.548494][T11086] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) | [6493.548494][T11086] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [6493.548494][T11086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 6493.548494][T11086] [ 6493.550452][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6493.550452][T11086] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [6493.550452][T11086] addrconf_notify (net/ipv6/addrconf.c:3653) [6493.550452][T11086] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [6493.550452][T11086] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10408) [6493.550452][T11086] veth_newlink (drivers/net/veth.c:1860) [6493.550452][T11086] rtnl_newlink_create (net/core/rtnetlink.c:3510) [6493.550452][T11086] __rtnl_newlink (net/core/rtnetlink.c:3730) [6493.550452][T11086] rtnl_newlink (net/core/rtnetlink.c:3744) [6493.550452][T11086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [6493.550452][T11086] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [6493.550452][T11086] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [6493.550452][T11086] netlink_sendmsg (net/netlink/af_netlink.c:1905) [6493.550452][T11086] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [6493.550452][T11086] ___sys_sendmsg (net/socket.c:2640) [6493.550452][T11086] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [6493.550452][T11086] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [6493.550452][T11086] ___sys_sendmsg (net/socket.c:2640) | [6493.550452][T11086] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) | [6493.550452][T11086] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 6493.550452][T11086] | [ 6503.813806][T11086] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 6503.814203][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6503.814203][T11086] dst_init (net/core/dst.c:53) [6503.814203][T11086] dst_alloc (net/core/dst.c:96) [6503.814203][T11086] ip6_dst_alloc (net/ipv6/route.c:343) [6503.814203][T11086] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [6503.814203][T11086] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [6503.814203][T11086] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [6503.814203][T11086] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [6503.814203][T11086] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [6503.814203][T11086] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [6503.814203][T11086] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [6503.814203][T11086] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [6503.814203][T11086] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [6503.814203][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [6503.814203][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [6503.814203][T11086] arp_solicit (net/ipv4/arp.c:392) [6503.814203][T11086] neigh_probe (net/core/neighbour.c:1077) | [6503.814203][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [6503.814203][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [6503.814203][T11086] arp_solicit (net/ipv4/arp.c:392) | [6503.814203][T11086] neigh_probe (net/core/neighbour.c:1077) | [ 6503.814203][T11086] [ 6503.817071][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6503.817071][T11086] dst_init (net/core/dst.c:53) [6503.817071][T11086] dst_alloc (net/core/dst.c:96) [6503.817071][T11086] ip6_dst_alloc (net/ipv6/route.c:343) [6503.817071][T11086] ip6_rt_pcpu_alloc (net/ipv6/route.c:1380) [6503.817071][T11086] ip6_pol_route (net/ipv6/route.c:1428 net/ipv6/route.c:2265) [6503.817071][T11086] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [6503.817071][T11086] ip6_route_output_flags (net/ipv6/route.c:2637 net/ipv6/route.c:2649) [6503.817071][T11086] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [6503.817071][T11086] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [6503.817071][T11086] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [6503.817071][T11086] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2524 (discriminator 4)) vxlan [6503.817071][T11086] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2789) vxlan [6503.817071][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) [6503.817071][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) [6503.817071][T11086] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [6503.817071][T11086] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [6503.817071][T11086] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4896 net/core/dev.c:3578 net/core/dev.c:3594) | [6503.817071][T11086] __dev_queue_xmit (net/core/dev.h:166 net/core/dev.c:4394) | [6503.817071][T11086] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [6503.817071][T11086] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 6503.817071][T11086] [ 6503.819326][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6503.819326][T11086] netdev_get_by_index (net/core/dev.c:914) [6503.819326][T11086] fib6_nh_init (net/ipv6/route.c:3541) [6503.819326][T11086] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [6503.819326][T11086] nexthop_create (net/ipv4/nexthop.c:2878) [6503.819326][T11086] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [6503.819326][T11086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [6503.819326][T11086] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [6503.819326][T11086] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [6503.819326][T11086] netlink_sendmsg (net/netlink/af_netlink.c:1905) [6503.819326][T11086] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [6503.819326][T11086] ___sys_sendmsg (net/socket.c:2640) [6503.819326][T11086] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) [6503.819326][T11086] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [6503.819326][T11086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [6503.819326][T11086] ___sys_sendmsg (net/socket.c:2640) | [6503.819326][T11086] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) | [6503.819326][T11086] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [6503.819326][T11086] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 6503.819326][T11086] [ 6503.821298][T11086] ref_tracker: veth_A-R1@ffff88801cb915e0 has 1/4 users at [6503.821298][T11086] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [6503.821298][T11086] addrconf_notify (net/ipv6/addrconf.c:3653) [6503.821298][T11086] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [6503.821298][T11086] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10408) [6503.821298][T11086] veth_newlink (drivers/net/veth.c:1860) [6503.821298][T11086] rtnl_newlink_create (net/core/rtnetlink.c:3510) [6503.821298][T11086] __rtnl_newlink (net/core/rtnetlink.c:3730) [6503.821298][T11086] rtnl_newlink (net/core/rtnetlink.c:3744) [6503.821298][T11086] rtnetlink_rcv_msg (net/core/rtnetlink.c:6595) [6503.821298][T11086] netlink_rcv_skb (net/netlink/af_netlink.c:2564) [6503.821298][T11086] netlink_unicast (net/netlink/af_netlink.c:1335 net/netlink/af_netlink.c:1361) [6503.821298][T11086] netlink_sendmsg (net/netlink/af_netlink.c:1905) [6503.821298][T11086] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2584) [6503.821298][T11086] ___sys_sendmsg (net/socket.c:2640) [6503.821298][T11086] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2669) 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