====================================== | [ 2899.565766][ T74] veth_A-C (unregistering): left promiscuous mode | [ 2909.788217][T14234] geneve_a: left promiscuous mode | [ 2914.224052][T14249] ovs_br0: left promiscuous mode | [ 3680.235944][T18512] Initializing XFRM netlink socket | [ 4122.569961][T20761] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4122.570485][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 1/5 users at [4122.570485][T20761] dst_init (net/core/dst.c:53) [4122.570485][T20761] dst_alloc (net/core/dst.c:96) [4122.570485][T20761] ip6_dst_alloc (net/ipv6/route.c:342) [4122.570485][T20761] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4122.570485][T20761] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4122.570485][T20761] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4122.570485][T20761] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4122.570485][T20761] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4122.570485][T20761] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4122.570485][T20761] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4122.570485][T20761] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4122.570485][T20761] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4122.570485][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4122.570485][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4122.570485][T20761] arp_solicit (net/ipv4/arp.c:392) [4122.570485][T20761] neigh_probe (net/core/neighbour.c:1077) | [4122.570485][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4122.570485][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4122.570485][T20761] arp_solicit (net/ipv4/arp.c:392) | [4122.570485][T20761] neigh_probe (net/core/neighbour.c:1077) | [ 4122.570485][T20761] [ 4122.573407][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 2/5 users at [4122.573407][T20761] dst_init (net/core/dst.c:53) [4122.573407][T20761] dst_alloc (net/core/dst.c:96) [4122.573407][T20761] ip6_dst_alloc (net/ipv6/route.c:342) [4122.573407][T20761] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4122.573407][T20761] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4122.573407][T20761] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4122.573407][T20761] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4122.573407][T20761] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4122.573407][T20761] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4122.573407][T20761] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4122.573407][T20761] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4122.573407][T20761] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4122.573407][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4122.573407][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4122.573407][T20761] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4122.573407][T20761] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4122.573407][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4122.573407][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4122.573407][T20761] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4122.573407][T20761] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4122.573407][T20761] [ 4122.575943][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 1/5 users at [4122.575943][T20761] netdev_get_by_index (net/core/dev.c:917) [4122.575943][T20761] fib6_nh_init (net/ipv6/route.c:3543) [4122.575943][T20761] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [4122.575943][T20761] nexthop_create (net/ipv4/nexthop.c:2878) [4122.575943][T20761] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [4122.575943][T20761] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4122.575943][T20761] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4122.575943][T20761] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4122.575943][T20761] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4122.575943][T20761] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4122.575943][T20761] ___sys_sendmsg (net/socket.c:2641) [4122.575943][T20761] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4122.575943][T20761] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4122.575943][T20761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4122.575943][T20761] ___sys_sendmsg (net/socket.c:2641) | [4122.575943][T20761] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4122.575943][T20761] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4122.575943][T20761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4122.575943][T20761] [ 4122.578139][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 1/5 users at [4122.578139][T20761] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4122.578139][T20761] addrconf_notify (net/ipv6/addrconf.c:3654) [4122.578139][T20761] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4122.578139][T20761] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10481) [4122.578139][T20761] veth_newlink (drivers/net/veth.c:1860) [4122.578139][T20761] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4122.578139][T20761] __rtnl_newlink (net/core/rtnetlink.c:3730) [4122.578139][T20761] rtnl_newlink (net/core/rtnetlink.c:3744) [4122.578139][T20761] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4122.578139][T20761] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4122.578139][T20761] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4122.578139][T20761] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4122.578139][T20761] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4122.578139][T20761] ___sys_sendmsg (net/socket.c:2641) [4122.578139][T20761] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4122.578139][T20761] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4122.578139][T20761] ___sys_sendmsg (net/socket.c:2641) | [4122.578139][T20761] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4122.578139][T20761] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4122.578139][T20761] | [ 4132.706928][T20761] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4132.707367][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 1/5 users at [4132.707367][T20761] dst_init (net/core/dst.c:53) [4132.707367][T20761] dst_alloc (net/core/dst.c:96) [4132.707367][T20761] ip6_dst_alloc (net/ipv6/route.c:342) [4132.707367][T20761] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4132.707367][T20761] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4132.707367][T20761] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4132.707367][T20761] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4132.707367][T20761] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4132.707367][T20761] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4132.707367][T20761] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4132.707367][T20761] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4132.707367][T20761] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4132.707367][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4132.707367][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4132.707367][T20761] arp_solicit (net/ipv4/arp.c:392) [4132.707367][T20761] neigh_probe (net/core/neighbour.c:1077) | [4132.707367][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4132.707367][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4132.707367][T20761] arp_solicit (net/ipv4/arp.c:392) | [4132.707367][T20761] neigh_probe (net/core/neighbour.c:1077) | [ 4132.707367][T20761] [ 4132.709706][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 2/5 users at [4132.709706][T20761] dst_init (net/core/dst.c:53) [4132.709706][T20761] dst_alloc (net/core/dst.c:96) [4132.709706][T20761] ip6_dst_alloc (net/ipv6/route.c:342) [4132.709706][T20761] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4132.709706][T20761] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4132.709706][T20761] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4132.709706][T20761] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4132.709706][T20761] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4132.709706][T20761] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4132.709706][T20761] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4132.709706][T20761] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4132.709706][T20761] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4132.709706][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4132.709706][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4132.709706][T20761] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4132.709706][T20761] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4132.709706][T20761] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4132.709706][T20761] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4132.709706][T20761] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4132.709706][T20761] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4132.709706][T20761] [ 4132.712323][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 1/5 users at [4132.712323][T20761] netdev_get_by_index (net/core/dev.c:917) [4132.712323][T20761] fib6_nh_init (net/ipv6/route.c:3543) [4132.712323][T20761] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [4132.712323][T20761] nexthop_create (net/ipv4/nexthop.c:2878) [4132.712323][T20761] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [4132.712323][T20761] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4132.712323][T20761] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4132.712323][T20761] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4132.712323][T20761] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4132.712323][T20761] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4132.712323][T20761] ___sys_sendmsg (net/socket.c:2641) [4132.712323][T20761] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4132.712323][T20761] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4132.712323][T20761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4132.712323][T20761] ___sys_sendmsg (net/socket.c:2641) | [4132.712323][T20761] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4132.712323][T20761] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4132.712323][T20761] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4132.712323][T20761] [ 4132.714318][T20761] ref_tracker: veth_A-R1@ffff88800d1bc5e0 has 1/5 users at [4132.714318][T20761] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4132.714318][T20761] addrconf_notify (net/ipv6/addrconf.c:3654) [4132.714318][T20761] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4132.714318][T20761] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10481) [4132.714318][T20761] veth_newlink (drivers/net/veth.c:1860) [4132.714318][T20761] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4132.714318][T20761] __rtnl_newlink (net/core/rtnetlink.c:3730) [4132.714318][T20761] rtnl_newlink (net/core/rtnetlink.c:3744) [4132.714318][T20761] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4132.714318][T20761] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4132.714318][T20761] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4132.714318][T20761] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4132.714318][T20761] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4132.714318][T20761] ___sys_sendmsg (net/socket.c:2641) [4132.714318][T20761] __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 ___sys_sendmsg:__sys_sendmsg:do_syscall_64:ipv6_add_dev:addrconf_notify 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:dst_init:dst_alloc