====================================== | [ 3103.865485][ T75] veth_A-C (unregistering): left promiscuous mode | [ 3116.130267][T14786] geneve_a: left promiscuous mode | [ 3121.156064][T14799] ovs_br0: left promiscuous mode | [ 3952.090669][T19305] Initializing XFRM netlink socket | [ 4439.543385][T21698] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4439.543903][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 1/5 users at [4439.543903][T21698] dst_init (net/core/dst.c:53) [4439.543903][T21698] dst_alloc (net/core/dst.c:96) [4439.543903][T21698] ip6_dst_alloc (net/ipv6/route.c:342) [4439.543903][T21698] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4439.543903][T21698] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4439.543903][T21698] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4439.543903][T21698] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4439.543903][T21698] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4439.543903][T21698] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4439.543903][T21698] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4439.543903][T21698] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4439.543903][T21698] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4439.543903][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) [4439.543903][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4439.543903][T21698] arp_solicit (net/ipv4/arp.c:392) [4439.543903][T21698] neigh_probe (net/core/neighbour.c:1077) | [4439.543903][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) | [4439.543903][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4439.543903][T21698] arp_solicit (net/ipv4/arp.c:392) | [4439.543903][T21698] neigh_probe (net/core/neighbour.c:1077) | [ 4439.543903][T21698] [ 4439.546743][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 2/5 users at [4439.546743][T21698] dst_init (net/core/dst.c:53) [4439.546743][T21698] dst_alloc (net/core/dst.c:96) [4439.546743][T21698] ip6_dst_alloc (net/ipv6/route.c:342) [4439.546743][T21698] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4439.546743][T21698] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4439.546743][T21698] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4439.546743][T21698] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4439.546743][T21698] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4439.546743][T21698] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4439.546743][T21698] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4439.546743][T21698] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4439.546743][T21698] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4439.546743][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) [4439.546743][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4439.546743][T21698] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4439.546743][T21698] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4439.546743][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) | [4439.546743][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4439.546743][T21698] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4439.546743][T21698] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4439.546743][T21698] [ 4439.548994][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 1/5 users at [4439.548994][T21698] netdev_get_by_index (net/core/dev.c:917) [4439.548994][T21698] fib6_nh_init (net/ipv6/route.c:3543) [4439.548994][T21698] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4439.548994][T21698] nexthop_create (net/ipv4/nexthop.c:2892) [4439.548994][T21698] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4439.548994][T21698] rtnetlink_rcv_msg (net/core/rtnetlink.c:6650) [4439.548994][T21698] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4439.548994][T21698] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4439.548994][T21698] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4439.548994][T21698] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2602) [4439.548994][T21698] ___sys_sendmsg (net/socket.c:2658) [4439.548994][T21698] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2687) [4439.548994][T21698] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4439.548994][T21698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4439.548994][T21698] ___sys_sendmsg (net/socket.c:2658) | [4439.548994][T21698] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2687) | [4439.548994][T21698] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4439.548994][T21698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4439.548994][T21698] [ 4439.550940][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 1/5 users at [4439.550940][T21698] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4439.550940][T21698] addrconf_notify (net/ipv6/addrconf.c:3656) [4439.550940][T21698] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4439.550940][T21698] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10505) [4439.550940][T21698] veth_newlink (drivers/net/veth.c:1861) [4439.550940][T21698] rtnl_newlink_create (net/core/rtnetlink.c:3514) [4439.550940][T21698] __rtnl_newlink (net/core/rtnetlink.c:3734) [4439.550940][T21698] rtnl_newlink (net/core/rtnetlink.c:3748) [4439.550940][T21698] rtnetlink_rcv_msg (net/core/rtnetlink.c:6650) [4439.550940][T21698] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4439.550940][T21698] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4439.550940][T21698] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4439.550940][T21698] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2602) [4439.550940][T21698] ___sys_sendmsg (net/socket.c:2658) [4439.550940][T21698] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2687) [4439.550940][T21698] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4439.550940][T21698] ___sys_sendmsg (net/socket.c:2658) | [4439.550940][T21698] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2687) | [4439.550940][T21698] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4439.550940][T21698] | [ 4449.647515][T21698] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4449.647903][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 1/5 users at [4449.647903][T21698] dst_init (net/core/dst.c:53) [4449.647903][T21698] dst_alloc (net/core/dst.c:96) [4449.647903][T21698] ip6_dst_alloc (net/ipv6/route.c:342) [4449.647903][T21698] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4449.647903][T21698] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4449.647903][T21698] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4449.647903][T21698] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4449.647903][T21698] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4449.647903][T21698] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4449.647903][T21698] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4449.647903][T21698] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4449.647903][T21698] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4449.647903][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) [4449.647903][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4449.647903][T21698] arp_solicit (net/ipv4/arp.c:392) [4449.647903][T21698] neigh_probe (net/core/neighbour.c:1077) | [4449.647903][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) | [4449.647903][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4449.647903][T21698] arp_solicit (net/ipv4/arp.c:392) | [4449.647903][T21698] neigh_probe (net/core/neighbour.c:1077) | [ 4449.647903][T21698] [ 4449.650167][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 2/5 users at [4449.650167][T21698] dst_init (net/core/dst.c:53) [4449.650167][T21698] dst_alloc (net/core/dst.c:96) [4449.650167][T21698] ip6_dst_alloc (net/ipv6/route.c:342) [4449.650167][T21698] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4449.650167][T21698] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4449.650167][T21698] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4449.650167][T21698] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4449.650167][T21698] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4449.650167][T21698] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4449.650167][T21698] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4449.650167][T21698] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2530 (discriminator 4)) vxlan [4449.650167][T21698] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2795) vxlan [4449.650167][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) [4449.650167][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) [4449.650167][T21698] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) [4449.650167][T21698] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4449.650167][T21698] dev_hard_start_xmit (./include/linux/netdevice.h:4889 ./include/linux/netdevice.h:4898 net/core/dev.c:3582 net/core/dev.c:3598) | [4449.650167][T21698] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4426) | [4449.650167][T21698] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:141) | [4449.650167][T21698] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4449.650167][T21698] [ 4449.652432][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 1/5 users at [4449.652432][T21698] netdev_get_by_index (net/core/dev.c:917) [4449.652432][T21698] fib6_nh_init (net/ipv6/route.c:3543) [4449.652432][T21698] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4449.652432][T21698] nexthop_create (net/ipv4/nexthop.c:2892) [4449.652432][T21698] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4449.652432][T21698] rtnetlink_rcv_msg (net/core/rtnetlink.c:6650) [4449.652432][T21698] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4449.652432][T21698] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4449.652432][T21698] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4449.652432][T21698] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2602) [4449.652432][T21698] ___sys_sendmsg (net/socket.c:2658) [4449.652432][T21698] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2687) [4449.652432][T21698] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4449.652432][T21698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4449.652432][T21698] ___sys_sendmsg (net/socket.c:2658) | [4449.652432][T21698] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2687) | [4449.652432][T21698] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4449.652432][T21698] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4449.652432][T21698] [ 4449.654353][T21698] ref_tracker: veth_A-R1@ffff888014f695e0 has 1/5 users at [4449.654353][T21698] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4449.654353][T21698] addrconf_notify (net/ipv6/addrconf.c:3656) [4449.654353][T21698] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4449.654353][T21698] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10505) [4449.654353][T21698] veth_newlink (drivers/net/veth.c:1861) [4449.654353][T21698] rtnl_newlink_create (net/core/rtnetlink.c:3514) [4449.654353][T21698] __rtnl_newlink (net/core/rtnetlink.c:3734) [4449.654353][T21698] rtnl_newlink (net/core/rtnetlink.c:3748) [4449.654353][T21698] rtnetlink_rcv_msg (net/core/rtnetlink.c:6650) [4449.654353][T21698] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4449.654353][T21698] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4449.654353][T21698] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4449.654353][T21698] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2602) [4449.654353][T21698] ___sys_sendmsg (net/socket.c:2658) [4449.654353][T21698] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2687) 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