====================================== | [ 3321.176679][ T11] veth_A-C (unregistering): left promiscuous mode | [ 3333.810094][T14791] geneve_a: left promiscuous mode | [ 3339.062738][T14805] ovs_br0: left promiscuous mode | [ 4242.667964][T19308] Initializing XFRM netlink socket | [ 4752.688922][T21702] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4752.689419][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 1/5 users at [4752.689419][T21702] dst_init (net/core/dst.c:53) [4752.689419][T21702] dst_alloc (net/core/dst.c:96) [4752.689419][T21702] ip6_dst_alloc (net/ipv6/route.c:342) [4752.689419][T21702] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4752.689419][T21702] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4752.689419][T21702] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4752.689419][T21702] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4752.689419][T21702] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4752.689419][T21702] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4752.689419][T21702] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4752.689419][T21702] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4752.689419][T21702] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4752.689419][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4752.689419][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4752.689419][T21702] arp_solicit (net/ipv4/arp.c:392) [4752.689419][T21702] neigh_probe (net/core/neighbour.c:1062) | [4752.689419][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4752.689419][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4752.689419][T21702] arp_solicit (net/ipv4/arp.c:392) | [4752.689419][T21702] neigh_probe (net/core/neighbour.c:1062) | [ 4752.689419][T21702] [ 4752.692320][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 2/5 users at [4752.692320][T21702] dst_init (net/core/dst.c:53) [4752.692320][T21702] dst_alloc (net/core/dst.c:96) [4752.692320][T21702] ip6_dst_alloc (net/ipv6/route.c:342) [4752.692320][T21702] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4752.692320][T21702] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4752.692320][T21702] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4752.692320][T21702] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4752.692320][T21702] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4752.692320][T21702] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4752.692320][T21702] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4752.692320][T21702] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4752.692320][T21702] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4752.692320][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4752.692320][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4752.692320][T21702] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) [4752.692320][T21702] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4752.692320][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4752.692320][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4752.692320][T21702] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) | [4752.692320][T21702] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4752.692320][T21702] [ 4752.694628][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 1/5 users at [4752.694628][T21702] netdev_get_by_index (net/core/dev.c:918) [4752.694628][T21702] fib6_nh_init (net/ipv6/route.c:3543) [4752.694628][T21702] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4752.694628][T21702] nexthop_create (net/ipv4/nexthop.c:2892) [4752.694628][T21702] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4752.694628][T21702] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4752.694628][T21702] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4752.694628][T21702] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4752.694628][T21702] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4752.694628][T21702] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4752.694628][T21702] ___sys_sendmsg (net/socket.c:2663) [4752.694628][T21702] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4752.694628][T21702] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4752.694628][T21702] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4752.694628][T21702] ___sys_sendmsg (net/socket.c:2663) | [4752.694628][T21702] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4752.694628][T21702] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4752.694628][T21702] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4752.694628][T21702] [ 4752.696625][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 1/5 users at [4752.696625][T21702] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4752.696625][T21702] addrconf_notify (net/ipv6/addrconf.c:3656) [4752.696625][T21702] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4752.696625][T21702] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10651) [4752.696625][T21702] veth_newlink (drivers/net/veth.c:1861) [4752.696625][T21702] rtnl_newlink_create (net/core/rtnetlink.c:3704) [4752.696625][T21702] __rtnl_newlink (net/core/rtnetlink.c:3794) [4752.696625][T21702] rtnl_newlink (net/core/rtnetlink.c:3890) [4752.696625][T21702] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4752.696625][T21702] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4752.696625][T21702] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4752.696625][T21702] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4752.696625][T21702] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4752.696625][T21702] ___sys_sendmsg (net/socket.c:2663) [4752.696625][T21702] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4752.696625][T21702] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4752.696625][T21702] ___sys_sendmsg (net/socket.c:2663) | [4752.696625][T21702] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4752.696625][T21702] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4752.696625][T21702] | [ 4762.752909][T21702] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4762.753309][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 1/5 users at [4762.753309][T21702] dst_init (net/core/dst.c:53) [4762.753309][T21702] dst_alloc (net/core/dst.c:96) [4762.753309][T21702] ip6_dst_alloc (net/ipv6/route.c:342) [4762.753309][T21702] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4762.753309][T21702] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4762.753309][T21702] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4762.753309][T21702] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4762.753309][T21702] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4762.753309][T21702] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4762.753309][T21702] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4762.753309][T21702] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4762.753309][T21702] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4762.753309][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4762.753309][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4762.753309][T21702] arp_solicit (net/ipv4/arp.c:392) [4762.753309][T21702] neigh_probe (net/core/neighbour.c:1062) | [4762.753309][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4762.753309][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4762.753309][T21702] arp_solicit (net/ipv4/arp.c:392) | [4762.753309][T21702] neigh_probe (net/core/neighbour.c:1062) | [ 4762.753309][T21702] [ 4762.755613][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 2/5 users at [4762.755613][T21702] dst_init (net/core/dst.c:53) [4762.755613][T21702] dst_alloc (net/core/dst.c:96) [4762.755613][T21702] ip6_dst_alloc (net/ipv6/route.c:342) [4762.755613][T21702] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4762.755613][T21702] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4762.755613][T21702] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4762.755613][T21702] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4762.755613][T21702] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4762.755613][T21702] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4762.755613][T21702] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4762.755613][T21702] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4762.755613][T21702] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4762.755613][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4762.755613][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4762.755613][T21702] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) [4762.755613][T21702] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4762.755613][T21702] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4762.755613][T21702] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4762.755613][T21702] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) | [4762.755613][T21702] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4762.755613][T21702] [ 4762.757913][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 1/5 users at [4762.757913][T21702] netdev_get_by_index (net/core/dev.c:918) [4762.757913][T21702] fib6_nh_init (net/ipv6/route.c:3543) [4762.757913][T21702] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4762.757913][T21702] nexthop_create (net/ipv4/nexthop.c:2892) [4762.757913][T21702] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4762.757913][T21702] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4762.757913][T21702] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4762.757913][T21702] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4762.757913][T21702] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4762.757913][T21702] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4762.757913][T21702] ___sys_sendmsg (net/socket.c:2663) [4762.757913][T21702] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4762.757913][T21702] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4762.757913][T21702] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4762.757913][T21702] ___sys_sendmsg (net/socket.c:2663) | [4762.757913][T21702] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4762.757913][T21702] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4762.757913][T21702] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4762.757913][T21702] [ 4762.759899][T21702] ref_tracker: veth_A-R1@ffff888005dec5d8 has 1/5 users at [4762.759899][T21702] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4762.759899][T21702] addrconf_notify (net/ipv6/addrconf.c:3656) [4762.759899][T21702] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4762.759899][T21702] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10651) [4762.759899][T21702] veth_newlink (drivers/net/veth.c:1861) [4762.759899][T21702] rtnl_newlink_create (net/core/rtnetlink.c:3704) [4762.759899][T21702] __rtnl_newlink (net/core/rtnetlink.c:3794) [4762.759899][T21702] rtnl_newlink (net/core/rtnetlink.c:3890) [4762.759899][T21702] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4762.759899][T21702] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4762.759899][T21702] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4762.759899][T21702] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4762.759899][T21702] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4762.759899][T21702] ___sys_sendmsg (net/socket.c:2663) [4762.759899][T21702] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) Finger prints: dev_hard_start_xmit:__dev_queue_xmit:ip6_finish_output2:ip6_finish_output:netdev_get_by_index 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 ___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