====================================== | [ 2894.018978][ T11] veth_A-C (unregistering): left promiscuous mode | [ 2904.384848][T14238] geneve_a: left promiscuous mode | [ 2908.868306][T14253] ovs_br0: left promiscuous mode | [ 3685.662583][T18518] Initializing XFRM netlink socket | [ 4136.659336][T20770] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4136.660099][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 1/5 users at [4136.660099][T20770] dst_init (net/core/dst.c:53) [4136.660099][T20770] dst_alloc (net/core/dst.c:96) [4136.660099][T20770] ip6_dst_alloc (net/ipv6/route.c:342) [4136.660099][T20770] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4136.660099][T20770] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4136.660099][T20770] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4136.660099][T20770] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4136.660099][T20770] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4136.660099][T20770] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4136.660099][T20770] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4136.660099][T20770] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4136.660099][T20770] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4136.660099][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4136.660099][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4136.660099][T20770] arp_solicit (net/ipv4/arp.c:392) [4136.660099][T20770] neigh_probe (net/core/neighbour.c:1077) | [4136.660099][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4136.660099][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4136.660099][T20770] arp_solicit (net/ipv4/arp.c:392) | [4136.660099][T20770] neigh_probe (net/core/neighbour.c:1077) | [ 4136.660099][T20770] [ 4136.664534][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 2/5 users at [4136.664534][T20770] dst_init (net/core/dst.c:53) [4136.664534][T20770] dst_alloc (net/core/dst.c:96) [4136.664534][T20770] ip6_dst_alloc (net/ipv6/route.c:342) [4136.664534][T20770] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4136.664534][T20770] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4136.664534][T20770] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4136.664534][T20770] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4136.664534][T20770] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4136.664534][T20770] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4136.664534][T20770] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4136.664534][T20770] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4136.664534][T20770] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4136.664534][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4136.664534][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4136.664534][T20770] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4136.664534][T20770] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4136.664534][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4136.664534][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4136.664534][T20770] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4136.664534][T20770] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4136.664534][T20770] [ 4136.667824][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 1/5 users at [4136.667824][T20770] netdev_get_by_index (net/core/dev.c:916) [4136.667824][T20770] fib6_nh_init (net/ipv6/route.c:3543) [4136.667824][T20770] nh_create_ipv6 (net/ipv4/nexthop.c:2828) [4136.667824][T20770] nexthop_create (net/ipv4/nexthop.c:2879) [4136.667824][T20770] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207) [4136.667824][T20770] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4136.667824][T20770] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4136.667824][T20770] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4136.667824][T20770] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4136.667824][T20770] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4136.667824][T20770] ___sys_sendmsg (net/socket.c:2653) [4136.667824][T20770] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4136.667824][T20770] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4136.667824][T20770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4136.667824][T20770] ___sys_sendmsg (net/socket.c:2653) | [4136.667824][T20770] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4136.667824][T20770] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4136.667824][T20770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4136.667824][T20770] [ 4136.670792][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 1/5 users at [4136.670792][T20770] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4136.670792][T20770] addrconf_notify (net/ipv6/addrconf.c:3654) [4136.670792][T20770] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4136.670792][T20770] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10469) [4136.670792][T20770] veth_newlink (drivers/net/veth.c:1860) [4136.670792][T20770] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4136.670792][T20770] __rtnl_newlink (net/core/rtnetlink.c:3730) [4136.670792][T20770] rtnl_newlink (net/core/rtnetlink.c:3744) [4136.670792][T20770] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4136.670792][T20770] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4136.670792][T20770] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4136.670792][T20770] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4136.670792][T20770] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4136.670792][T20770] ___sys_sendmsg (net/socket.c:2653) [4136.670792][T20770] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4136.670792][T20770] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4136.670792][T20770] ___sys_sendmsg (net/socket.c:2653) | [4136.670792][T20770] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4136.670792][T20770] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4136.670792][T20770] | [ 4146.843309][T20770] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4146.843784][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 1/5 users at [4146.843784][T20770] dst_init (net/core/dst.c:53) [4146.843784][T20770] dst_alloc (net/core/dst.c:96) [4146.843784][T20770] ip6_dst_alloc (net/ipv6/route.c:342) [4146.843784][T20770] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4146.843784][T20770] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4146.843784][T20770] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4146.843784][T20770] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4146.843784][T20770] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4146.843784][T20770] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4146.843784][T20770] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4146.843784][T20770] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4146.843784][T20770] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4146.843784][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4146.843784][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4146.843784][T20770] arp_solicit (net/ipv4/arp.c:392) [4146.843784][T20770] neigh_probe (net/core/neighbour.c:1077) | [4146.843784][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4146.843784][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4146.843784][T20770] arp_solicit (net/ipv4/arp.c:392) | [4146.843784][T20770] neigh_probe (net/core/neighbour.c:1077) | [ 4146.843784][T20770] [ 4146.846563][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 2/5 users at [4146.846563][T20770] dst_init (net/core/dst.c:53) [4146.846563][T20770] dst_alloc (net/core/dst.c:96) [4146.846563][T20770] ip6_dst_alloc (net/ipv6/route.c:342) [4146.846563][T20770] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4146.846563][T20770] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4146.846563][T20770] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4146.846563][T20770] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4146.846563][T20770] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4146.846563][T20770] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4146.846563][T20770] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4146.846563][T20770] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4146.846563][T20770] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4146.846563][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4146.846563][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4146.846563][T20770] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4146.846563][T20770] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4146.846563][T20770] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4146.846563][T20770] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4146.846563][T20770] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4146.846563][T20770] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4146.846563][T20770] [ 4146.849297][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 1/5 users at [4146.849297][T20770] netdev_get_by_index (net/core/dev.c:916) [4146.849297][T20770] fib6_nh_init (net/ipv6/route.c:3543) [4146.849297][T20770] nh_create_ipv6 (net/ipv4/nexthop.c:2828) [4146.849297][T20770] nexthop_create (net/ipv4/nexthop.c:2879) [4146.849297][T20770] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207) [4146.849297][T20770] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4146.849297][T20770] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4146.849297][T20770] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4146.849297][T20770] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4146.849297][T20770] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4146.849297][T20770] ___sys_sendmsg (net/socket.c:2653) [4146.849297][T20770] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4146.849297][T20770] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4146.849297][T20770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4146.849297][T20770] ___sys_sendmsg (net/socket.c:2653) | [4146.849297][T20770] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4146.849297][T20770] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4146.849297][T20770] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4146.849297][T20770] [ 4146.851916][T20770] ref_tracker: veth_A-R1@ffff88800de245e0 has 1/5 users at [4146.851916][T20770] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4146.851916][T20770] addrconf_notify (net/ipv6/addrconf.c:3654) [4146.851916][T20770] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4146.851916][T20770] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10469) [4146.851916][T20770] veth_newlink (drivers/net/veth.c:1860) [4146.851916][T20770] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4146.851916][T20770] __rtnl_newlink (net/core/rtnetlink.c:3730) [4146.851916][T20770] rtnl_newlink (net/core/rtnetlink.c:3744) [4146.851916][T20770] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4146.851916][T20770] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4146.851916][T20770] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4146.851916][T20770] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4146.851916][T20770] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4146.851916][T20770] ___sys_sendmsg (net/socket.c:2653) [4146.851916][T20770] __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 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