====================================== | [ 2898.906828][ T74] veth_A-C (unregistering): left promiscuous mode | [ 2909.540069][T14238] geneve_a: left promiscuous mode | [ 2913.983869][T14251] ovs_br0: left promiscuous mode | [ 3682.197331][T18521] Initializing XFRM netlink socket | [ 4124.003030][T20771] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4124.003580][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 1/5 users at [4124.003580][T20771] dst_init (net/core/dst.c:53) [4124.003580][T20771] dst_alloc (net/core/dst.c:96) [4124.003580][T20771] ip6_dst_alloc (net/ipv6/route.c:342) [4124.003580][T20771] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4124.003580][T20771] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4124.003580][T20771] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4124.003580][T20771] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4124.003580][T20771] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4124.003580][T20771] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4124.003580][T20771] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4124.003580][T20771] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4124.003580][T20771] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4124.003580][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4124.003580][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4124.003580][T20771] arp_solicit (net/ipv4/arp.c:392) [4124.003580][T20771] neigh_probe (net/core/neighbour.c:1077) | [4124.003580][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4124.003580][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4124.003580][T20771] arp_solicit (net/ipv4/arp.c:392) | [4124.003580][T20771] neigh_probe (net/core/neighbour.c:1077) | [ 4124.003580][T20771] [ 4124.006429][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 2/5 users at [4124.006429][T20771] dst_init (net/core/dst.c:53) [4124.006429][T20771] dst_alloc (net/core/dst.c:96) [4124.006429][T20771] ip6_dst_alloc (net/ipv6/route.c:342) [4124.006429][T20771] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4124.006429][T20771] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4124.006429][T20771] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4124.006429][T20771] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4124.006429][T20771] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4124.006429][T20771] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4124.006429][T20771] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4124.006429][T20771] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4124.006429][T20771] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4124.006429][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4124.006429][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4124.006429][T20771] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4124.006429][T20771] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4124.006429][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4124.006429][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4124.006429][T20771] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4124.006429][T20771] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4124.006429][T20771] [ 4124.008753][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 1/5 users at [4124.008753][T20771] netdev_get_by_index (net/core/dev.c:916) [4124.008753][T20771] fib6_nh_init (net/ipv6/route.c:3543) [4124.008753][T20771] nh_create_ipv6 (net/ipv4/nexthop.c:2828) [4124.008753][T20771] nexthop_create (net/ipv4/nexthop.c:2879) [4124.008753][T20771] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207) [4124.008753][T20771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4124.008753][T20771] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4124.008753][T20771] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4124.008753][T20771] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4124.008753][T20771] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4124.008753][T20771] ___sys_sendmsg (net/socket.c:2653) [4124.008753][T20771] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4124.008753][T20771] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4124.008753][T20771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4124.008753][T20771] ___sys_sendmsg (net/socket.c:2653) | [4124.008753][T20771] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4124.008753][T20771] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4124.008753][T20771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4124.008753][T20771] [ 4124.010805][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 1/5 users at [4124.010805][T20771] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4124.010805][T20771] addrconf_notify (net/ipv6/addrconf.c:3654) [4124.010805][T20771] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4124.010805][T20771] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10469) [4124.010805][T20771] veth_newlink (drivers/net/veth.c:1860) [4124.010805][T20771] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4124.010805][T20771] __rtnl_newlink (net/core/rtnetlink.c:3730) [4124.010805][T20771] rtnl_newlink (net/core/rtnetlink.c:3744) [4124.010805][T20771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4124.010805][T20771] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4124.010805][T20771] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4124.010805][T20771] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4124.010805][T20771] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4124.010805][T20771] ___sys_sendmsg (net/socket.c:2653) [4124.010805][T20771] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4124.010805][T20771] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4124.010805][T20771] ___sys_sendmsg (net/socket.c:2653) | [4124.010805][T20771] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4124.010805][T20771] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4124.010805][T20771] | [ 4134.242046][T20771] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4134.242513][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 1/5 users at [4134.242513][T20771] dst_init (net/core/dst.c:53) [4134.242513][T20771] dst_alloc (net/core/dst.c:96) [4134.242513][T20771] ip6_dst_alloc (net/ipv6/route.c:342) [4134.242513][T20771] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4134.242513][T20771] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4134.242513][T20771] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4134.242513][T20771] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4134.242513][T20771] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4134.242513][T20771] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4134.242513][T20771] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4134.242513][T20771] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4134.242513][T20771] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4134.242513][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4134.242513][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4134.242513][T20771] arp_solicit (net/ipv4/arp.c:392) [4134.242513][T20771] neigh_probe (net/core/neighbour.c:1077) | [4134.242513][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4134.242513][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4134.242513][T20771] arp_solicit (net/ipv4/arp.c:392) | [4134.242513][T20771] neigh_probe (net/core/neighbour.c:1077) | [ 4134.242513][T20771] [ 4134.244944][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 2/5 users at [4134.244944][T20771] dst_init (net/core/dst.c:53) [4134.244944][T20771] dst_alloc (net/core/dst.c:96) [4134.244944][T20771] ip6_dst_alloc (net/ipv6/route.c:342) [4134.244944][T20771] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4134.244944][T20771] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4134.244944][T20771] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4134.244944][T20771] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4134.244944][T20771] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4134.244944][T20771] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4134.244944][T20771] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4134.244944][T20771] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4134.244944][T20771] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4134.244944][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) [4134.244944][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4134.244944][T20771] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4134.244944][T20771] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4134.244944][T20771] dev_hard_start_xmit (./include/linux/netdevice.h:4913 ./include/linux/netdevice.h:4922 net/core/dev.c:3580 net/core/dev.c:3596) | [4134.244944][T20771] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4134.244944][T20771] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4134.244944][T20771] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4134.244944][T20771] [ 4134.247233][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 1/5 users at [4134.247233][T20771] netdev_get_by_index (net/core/dev.c:916) [4134.247233][T20771] fib6_nh_init (net/ipv6/route.c:3543) [4134.247233][T20771] nh_create_ipv6 (net/ipv4/nexthop.c:2828) [4134.247233][T20771] nexthop_create (net/ipv4/nexthop.c:2879) [4134.247233][T20771] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207) [4134.247233][T20771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4134.247233][T20771] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4134.247233][T20771] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4134.247233][T20771] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4134.247233][T20771] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4134.247233][T20771] ___sys_sendmsg (net/socket.c:2653) [4134.247233][T20771] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4134.247233][T20771] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4134.247233][T20771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4134.247233][T20771] ___sys_sendmsg (net/socket.c:2653) | [4134.247233][T20771] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4134.247233][T20771] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4134.247233][T20771] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4134.247233][T20771] [ 4134.249225][T20771] ref_tracker: veth_A-R1@ffff8880132995e0 has 1/5 users at [4134.249225][T20771] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4134.249225][T20771] addrconf_notify (net/ipv6/addrconf.c:3654) [4134.249225][T20771] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4134.249225][T20771] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10469) [4134.249225][T20771] veth_newlink (drivers/net/veth.c:1860) [4134.249225][T20771] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4134.249225][T20771] __rtnl_newlink (net/core/rtnetlink.c:3730) [4134.249225][T20771] rtnl_newlink (net/core/rtnetlink.c:3744) [4134.249225][T20771] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4134.249225][T20771] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4134.249225][T20771] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4134.249225][T20771] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4134.249225][T20771] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4134.249225][T20771] ___sys_sendmsg (net/socket.c:2653) [4134.249225][T20771] __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