====================================== | [ 3348.558875][ T11] veth_A-C (unregistering): left promiscuous mode | [ 3359.779428][T17689] geneve_a: left promiscuous mode | [ 3364.507471][T17703] ovs_br0: left promiscuous mode | [ 4168.457772][T22209] Initializing XFRM netlink socket | [ 4625.323301][T24597] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 4625.323877][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4625.323877][T24597] dst_init (net/core/dst.c:53) [4625.323877][T24597] dst_alloc (net/core/dst.c:96) [4625.323877][T24597] ip6_dst_alloc (net/ipv6/route.c:342) [4625.323877][T24597] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4625.323877][T24597] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4625.323877][T24597] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4625.323877][T24597] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4625.323877][T24597] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4625.323877][T24597] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4625.323877][T24597] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4625.323877][T24597] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4625.323877][T24597] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4625.323877][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) [4625.323877][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4625.323877][T24597] arp_solicit (net/ipv4/arp.c:392) [4625.323877][T24597] neigh_probe (net/core/neighbour.c:1077) | [4625.323877][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) | [4625.323877][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4625.323877][T24597] arp_solicit (net/ipv4/arp.c:392) | [4625.323877][T24597] neigh_probe (net/core/neighbour.c:1077) | [ 4625.323877][T24597] [ 4625.327074][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4625.327074][T24597] dst_init (net/core/dst.c:53) [4625.327074][T24597] dst_alloc (net/core/dst.c:96) [4625.327074][T24597] ip6_dst_alloc (net/ipv6/route.c:342) [4625.327074][T24597] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4625.327074][T24597] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4625.327074][T24597] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4625.327074][T24597] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4625.327074][T24597] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4625.327074][T24597] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4625.327074][T24597] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4625.327074][T24597] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4625.327074][T24597] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4625.327074][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) [4625.327074][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4625.327074][T24597] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4625.327074][T24597] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4625.327074][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) | [4625.327074][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4625.327074][T24597] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4625.327074][T24597] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4625.327074][T24597] [ 4625.329616][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4625.329616][T24597] netdev_get_by_index (net/core/dev.c:917) [4625.329616][T24597] fib6_nh_init (net/ipv6/route.c:3543) [4625.329616][T24597] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4625.329616][T24597] nexthop_create (net/ipv4/nexthop.c:2892) [4625.329616][T24597] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4625.329616][T24597] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4625.329616][T24597] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4625.329616][T24597] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4625.329616][T24597] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4625.329616][T24597] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4625.329616][T24597] ___sys_sendmsg (net/socket.c:2653) [4625.329616][T24597] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4625.329616][T24597] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4625.329616][T24597] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4625.329616][T24597] ___sys_sendmsg (net/socket.c:2653) | [4625.329616][T24597] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4625.329616][T24597] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4625.329616][T24597] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4625.329616][T24597] [ 4625.331832][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4625.331832][T24597] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4625.331832][T24597] addrconf_notify (net/ipv6/addrconf.c:3656) [4625.331832][T24597] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4625.331832][T24597] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10499) [4625.331832][T24597] veth_newlink (drivers/net/veth.c:1861) [4625.331832][T24597] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4625.331832][T24597] __rtnl_newlink (net/core/rtnetlink.c:3730) [4625.331832][T24597] rtnl_newlink (net/core/rtnetlink.c:3744) [4625.331832][T24597] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4625.331832][T24597] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4625.331832][T24597] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4625.331832][T24597] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4625.331832][T24597] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4625.331832][T24597] ___sys_sendmsg (net/socket.c:2653) [4625.331832][T24597] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4625.331832][T24597] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4625.331832][T24597] ___sys_sendmsg (net/socket.c:2653) | [4625.331832][T24597] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4625.331832][T24597] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4625.331832][T24597] | [ 4635.387198][T24597] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 4635.387643][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4635.387643][T24597] dst_init (net/core/dst.c:53) [4635.387643][T24597] dst_alloc (net/core/dst.c:96) [4635.387643][T24597] ip6_dst_alloc (net/ipv6/route.c:342) [4635.387643][T24597] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4635.387643][T24597] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4635.387643][T24597] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4635.387643][T24597] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4635.387643][T24597] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4635.387643][T24597] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4635.387643][T24597] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4635.387643][T24597] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4635.387643][T24597] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4635.387643][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) [4635.387643][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4635.387643][T24597] arp_solicit (net/ipv4/arp.c:392) [4635.387643][T24597] neigh_probe (net/core/neighbour.c:1077) | [4635.387643][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) | [4635.387643][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4635.387643][T24597] arp_solicit (net/ipv4/arp.c:392) | [4635.387643][T24597] neigh_probe (net/core/neighbour.c:1077) | [ 4635.387643][T24597] [ 4635.390248][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4635.390248][T24597] dst_init (net/core/dst.c:53) [4635.390248][T24597] dst_alloc (net/core/dst.c:96) [4635.390248][T24597] ip6_dst_alloc (net/ipv6/route.c:342) [4635.390248][T24597] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4635.390248][T24597] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4635.390248][T24597] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4635.390248][T24597] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4635.390248][T24597] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4635.390248][T24597] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4635.390248][T24597] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4635.390248][T24597] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4635.390248][T24597] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4635.390248][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) [4635.390248][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4635.390248][T24597] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4635.390248][T24597] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4635.390248][T24597] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3581 net/core/dev.c:3597) | [4635.390248][T24597] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4635.390248][T24597] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4635.390248][T24597] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4635.390248][T24597] [ 4635.393064][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4635.393064][T24597] netdev_get_by_index (net/core/dev.c:917) [4635.393064][T24597] fib6_nh_init (net/ipv6/route.c:3543) [4635.393064][T24597] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4635.393064][T24597] nexthop_create (net/ipv4/nexthop.c:2892) [4635.393064][T24597] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4635.393064][T24597] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4635.393064][T24597] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4635.393064][T24597] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4635.393064][T24597] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4635.393064][T24597] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4635.393064][T24597] ___sys_sendmsg (net/socket.c:2653) [4635.393064][T24597] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4635.393064][T24597] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4635.393064][T24597] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4635.393064][T24597] ___sys_sendmsg (net/socket.c:2653) | [4635.393064][T24597] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4635.393064][T24597] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4635.393064][T24597] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4635.393064][T24597] [ 4635.395579][T24597] ref_tracker: veth_A-R1@ffff8880057745e0 has 1/4 users at [4635.395579][T24597] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4635.395579][T24597] addrconf_notify (net/ipv6/addrconf.c:3656) [4635.395579][T24597] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4635.395579][T24597] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10499) [4635.395579][T24597] veth_newlink (drivers/net/veth.c:1861) [4635.395579][T24597] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4635.395579][T24597] __rtnl_newlink (net/core/rtnetlink.c:3730) [4635.395579][T24597] rtnl_newlink (net/core/rtnetlink.c:3744) [4635.395579][T24597] rtnetlink_rcv_msg (net/core/rtnetlink.c:6646) [4635.395579][T24597] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4635.395579][T24597] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4635.395579][T24597] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4635.395579][T24597] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4635.395579][T24597] ___sys_sendmsg (net/socket.c:2653) [4635.395579][T24597] __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