====================================== | [ 3173.203925][ T76] veth_A-C (unregistering): left promiscuous mode | [ 3186.015999][T14784] geneve_a: left promiscuous mode | [ 3191.265262][T14799] ovs_br0: left promiscuous mode | [ 4026.044990][T19300] Initializing XFRM netlink socket | [ 4493.906006][T21691] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4493.906468][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 1/5 users at [4493.906468][T21691] dst_init (net/core/dst.c:53) [4493.906468][T21691] dst_alloc (net/core/dst.c:96) [4493.906468][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4493.906468][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4493.906468][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4493.906468][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4493.906468][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4493.906468][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4493.906468][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4493.906468][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4493.906468][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4493.906468][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4493.906468][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) [4493.906468][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4493.906468][T21691] arp_solicit (net/ipv4/arp.c:392) [4493.906468][T21691] neigh_probe (net/core/neighbour.c:1077) | [4493.906468][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) | [4493.906468][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4493.906468][T21691] arp_solicit (net/ipv4/arp.c:392) | [4493.906468][T21691] neigh_probe (net/core/neighbour.c:1077) | [ 4493.906468][T21691] [ 4493.909137][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 2/5 users at [4493.909137][T21691] dst_init (net/core/dst.c:53) [4493.909137][T21691] dst_alloc (net/core/dst.c:96) [4493.909137][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4493.909137][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4493.909137][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4493.909137][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4493.909137][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4493.909137][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4493.909137][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4493.909137][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4493.909137][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4493.909137][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4493.909137][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) [4493.909137][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4493.909137][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4493.909137][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4493.909137][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) | [4493.909137][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4493.909137][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4493.909137][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4493.909137][T21691] [ 4493.911426][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 1/5 users at [4493.911426][T21691] netdev_get_by_index (net/core/dev.c:917) [4493.911426][T21691] fib6_nh_init (net/ipv6/route.c:3543) [4493.911426][T21691] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4493.911426][T21691] nexthop_create (net/ipv4/nexthop.c:2892) [4493.911426][T21691] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4493.911426][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4493.911426][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4493.911426][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4493.911426][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4493.911426][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4493.911426][T21691] ___sys_sendmsg (net/socket.c:2653) [4493.911426][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4493.911426][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4493.911426][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4493.911426][T21691] ___sys_sendmsg (net/socket.c:2653) | [4493.911426][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4493.911426][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4493.911426][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4493.911426][T21691] [ 4493.913549][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 1/5 users at [4493.913549][T21691] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4493.913549][T21691] addrconf_notify (net/ipv6/addrconf.c:3656) [4493.913549][T21691] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4493.913549][T21691] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10500) [4493.913549][T21691] veth_newlink (drivers/net/veth.c:1861) [4493.913549][T21691] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4493.913549][T21691] __rtnl_newlink (net/core/rtnetlink.c:3730) [4493.913549][T21691] rtnl_newlink (net/core/rtnetlink.c:3744) [4493.913549][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4493.913549][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4493.913549][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4493.913549][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4493.913549][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4493.913549][T21691] ___sys_sendmsg (net/socket.c:2653) [4493.913549][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4493.913549][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4493.913549][T21691] ___sys_sendmsg (net/socket.c:2653) | [4493.913549][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4493.913549][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4493.913549][T21691] | [ 4504.010842][T21691] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4504.011322][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 1/5 users at [4504.011322][T21691] dst_init (net/core/dst.c:53) [4504.011322][T21691] dst_alloc (net/core/dst.c:96) [4504.011322][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4504.011322][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4504.011322][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4504.011322][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4504.011322][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4504.011322][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4504.011322][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4504.011322][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4504.011322][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4504.011322][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4504.011322][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) [4504.011322][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4504.011322][T21691] arp_solicit (net/ipv4/arp.c:392) [4504.011322][T21691] neigh_probe (net/core/neighbour.c:1077) | [4504.011322][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) | [4504.011322][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4504.011322][T21691] arp_solicit (net/ipv4/arp.c:392) | [4504.011322][T21691] neigh_probe (net/core/neighbour.c:1077) | [ 4504.011322][T21691] [ 4504.013592][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 2/5 users at [4504.013592][T21691] dst_init (net/core/dst.c:53) [4504.013592][T21691] dst_alloc (net/core/dst.c:96) [4504.013592][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4504.013592][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4504.013592][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4504.013592][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4504.013592][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4504.013592][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4504.013592][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4504.013592][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4504.013592][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4504.013592][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4504.013592][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) [4504.013592][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4504.013592][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4504.013592][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4504.013592][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4905 ./include/linux/netdevice.h:4914 net/core/dev.c:3582 net/core/dev.c:3598) | [4504.013592][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4504.013592][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4504.013592][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4504.013592][T21691] [ 4504.015850][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 1/5 users at [4504.015850][T21691] netdev_get_by_index (net/core/dev.c:917) [4504.015850][T21691] fib6_nh_init (net/ipv6/route.c:3543) [4504.015850][T21691] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4504.015850][T21691] nexthop_create (net/ipv4/nexthop.c:2892) [4504.015850][T21691] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4504.015850][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4504.015850][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4504.015850][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4504.015850][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4504.015850][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4504.015850][T21691] ___sys_sendmsg (net/socket.c:2653) [4504.015850][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4504.015850][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4504.015850][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4504.015850][T21691] ___sys_sendmsg (net/socket.c:2653) | [4504.015850][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4504.015850][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4504.015850][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4504.015850][T21691] [ 4504.017792][T21691] ref_tracker: veth_A-R1@ffff88800d9f95e0 has 1/5 users at [4504.017792][T21691] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4504.017792][T21691] addrconf_notify (net/ipv6/addrconf.c:3656) [4504.017792][T21691] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4504.017792][T21691] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10500) [4504.017792][T21691] veth_newlink (drivers/net/veth.c:1861) [4504.017792][T21691] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4504.017792][T21691] __rtnl_newlink (net/core/rtnetlink.c:3730) [4504.017792][T21691] rtnl_newlink (net/core/rtnetlink.c:3744) [4504.017792][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4504.017792][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4504.017792][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4504.017792][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4504.017792][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4504.017792][T21691] ___sys_sendmsg (net/socket.c:2653) [4504.017792][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) Finger prints: dev_hard_start_xmit:__dev_queue_xmit:arp_solicit:neigh_probe:dst_init dst_init:dst_alloc:ip6_dst_alloc:ip6_rt_pcpu_alloc:ip6_pol_route 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