====================================== | [ 3127.470630][ T11] veth_A-C (unregistering): left promiscuous mode | [ 3139.765671][T14785] geneve_a: left promiscuous mode | [ 3144.797638][T14800] ovs_br0: left promiscuous mode | [ 3972.421770][T19297] Initializing XFRM netlink socket | [ 4450.581075][T21691] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4450.581577][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 1/5 users at [4450.581577][T21691] dst_init (net/core/dst.c:53) [4450.581577][T21691] dst_alloc (net/core/dst.c:96) [4450.581577][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4450.581577][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4450.581577][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4450.581577][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4450.581577][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4450.581577][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4450.581577][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4450.581577][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4450.581577][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4450.581577][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4450.581577][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) [4450.581577][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4450.581577][T21691] arp_solicit (net/ipv4/arp.c:392) [4450.581577][T21691] neigh_probe (net/core/neighbour.c:1077) | [4450.581577][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) | [4450.581577][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4450.581577][T21691] arp_solicit (net/ipv4/arp.c:392) | [4450.581577][T21691] neigh_probe (net/core/neighbour.c:1077) | [ 4450.581577][T21691] [ 4450.584572][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 2/5 users at [4450.584572][T21691] dst_init (net/core/dst.c:53) [4450.584572][T21691] dst_alloc (net/core/dst.c:96) [4450.584572][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4450.584572][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4450.584572][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4450.584572][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4450.584572][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4450.584572][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4450.584572][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4450.584572][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4450.584572][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4450.584572][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4450.584572][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) [4450.584572][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4450.584572][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4450.584572][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4450.584572][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) | [4450.584572][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4450.584572][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4450.584572][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4450.584572][T21691] [ 4450.587169][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 1/5 users at [4450.587169][T21691] netdev_get_by_index (net/core/dev.c:918) [4450.587169][T21691] fib6_nh_init (net/ipv6/route.c:3543) [4450.587169][T21691] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4450.587169][T21691] nexthop_create (net/ipv4/nexthop.c:2892) [4450.587169][T21691] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4450.587169][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4450.587169][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4450.587169][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4450.587169][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4450.587169][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2603) [4450.587169][T21691] ___sys_sendmsg (net/socket.c:2659) [4450.587169][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2688) [4450.587169][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4450.587169][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4450.587169][T21691] ___sys_sendmsg (net/socket.c:2659) | [4450.587169][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2688) | [4450.587169][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4450.587169][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4450.587169][T21691] [ 4450.589423][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 1/5 users at [4450.589423][T21691] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4450.589423][T21691] addrconf_notify (net/ipv6/addrconf.c:3656) [4450.589423][T21691] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4450.589423][T21691] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10530) [4450.589423][T21691] veth_newlink (drivers/net/veth.c:1861) [4450.589423][T21691] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4450.589423][T21691] __rtnl_newlink (net/core/rtnetlink.c:3730) [4450.589423][T21691] rtnl_newlink (net/core/rtnetlink.c:3744) [4450.589423][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4450.589423][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4450.589423][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4450.589423][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4450.589423][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2603) [4450.589423][T21691] ___sys_sendmsg (net/socket.c:2659) [4450.589423][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2688) [4450.589423][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4450.589423][T21691] ___sys_sendmsg (net/socket.c:2659) | [4450.589423][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2688) | [4450.589423][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4450.589423][T21691] | [ 4460.757131][T21691] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4460.758067][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 1/5 users at [4460.758067][T21691] dst_init (net/core/dst.c:53) [4460.758067][T21691] dst_alloc (net/core/dst.c:96) [4460.758067][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4460.758067][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4460.758067][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4460.758067][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4460.758067][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4460.758067][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4460.758067][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4460.758067][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4460.758067][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4460.758067][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4460.758067][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) [4460.758067][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4460.758067][T21691] arp_solicit (net/ipv4/arp.c:392) [4460.758067][T21691] neigh_probe (net/core/neighbour.c:1077) | [4460.758067][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) | [4460.758067][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4460.758067][T21691] arp_solicit (net/ipv4/arp.c:392) | [4460.758067][T21691] neigh_probe (net/core/neighbour.c:1077) | [ 4460.758067][T21691] [ 4460.760804][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 2/5 users at [4460.760804][T21691] dst_init (net/core/dst.c:53) [4460.760804][T21691] dst_alloc (net/core/dst.c:96) [4460.760804][T21691] ip6_dst_alloc (net/ipv6/route.c:342) [4460.760804][T21691] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4460.760804][T21691] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4460.760804][T21691] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4460.760804][T21691] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4460.760804][T21691] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4460.760804][T21691] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4460.760804][T21691] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4460.760804][T21691] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4460.760804][T21691] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4460.760804][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) [4460.760804][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4460.760804][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4460.760804][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4460.760804][T21691] dev_hard_start_xmit (./include/linux/netdevice.h:4916 ./include/linux/netdevice.h:4925 net/core/dev.c:3589 net/core/dev.c:3605) | [4460.760804][T21691] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4460.760804][T21691] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4460.760804][T21691] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4460.760804][T21691] [ 4460.763375][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 1/5 users at [4460.763375][T21691] netdev_get_by_index (net/core/dev.c:918) [4460.763375][T21691] fib6_nh_init (net/ipv6/route.c:3543) [4460.763375][T21691] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4460.763375][T21691] nexthop_create (net/ipv4/nexthop.c:2892) [4460.763375][T21691] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4460.763375][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4460.763375][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4460.763375][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4460.763375][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4460.763375][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2603) [4460.763375][T21691] ___sys_sendmsg (net/socket.c:2659) [4460.763375][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2688) [4460.763375][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4460.763375][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4460.763375][T21691] ___sys_sendmsg (net/socket.c:2659) | [4460.763375][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2688) | [4460.763375][T21691] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4460.763375][T21691] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4460.763375][T21691] [ 4460.765581][T21691] ref_tracker: veth_A-R1@ffff88800b75c5e0 has 1/5 users at [4460.765581][T21691] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4460.765581][T21691] addrconf_notify (net/ipv6/addrconf.c:3656) [4460.765581][T21691] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4460.765581][T21691] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10530) [4460.765581][T21691] veth_newlink (drivers/net/veth.c:1861) [4460.765581][T21691] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4460.765581][T21691] __rtnl_newlink (net/core/rtnetlink.c:3730) [4460.765581][T21691] rtnl_newlink (net/core/rtnetlink.c:3744) [4460.765581][T21691] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4460.765581][T21691] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4460.765581][T21691] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4460.765581][T21691] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4460.765581][T21691] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2603) [4460.765581][T21691] ___sys_sendmsg (net/socket.c:2659) [4460.765581][T21691] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2688) Finger prints: dst_init:dst_alloc:ip6_dst_alloc:ip6_rt_pcpu_alloc:ip6_pol_route ___sys_sendmsg:__sys_sendmsg:do_syscall_64:dst_init:dst_alloc 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