====================================== | [ 2943.979652][ T11] veth_A-C (unregistering): left promiscuous mode | [ 2954.762545][T14785] geneve_a: left promiscuous mode | [ 2959.348180][T14798] ovs_br0: left promiscuous mode | [ 3743.245495][T19304] Initializing XFRM netlink socket | [ 4193.485869][T21697] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4193.486630][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 1/5 users at [4193.486630][T21697] dst_init (net/core/dst.c:53) [4193.486630][T21697] dst_alloc (net/core/dst.c:96) [4193.486630][T21697] ip6_dst_alloc (net/ipv6/route.c:342) [4193.486630][T21697] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4193.486630][T21697] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4193.486630][T21697] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4193.486630][T21697] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4193.486630][T21697] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4193.486630][T21697] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4193.486630][T21697] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4193.486630][T21697] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4193.486630][T21697] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4193.486630][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) [4193.486630][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4193.486630][T21697] arp_solicit (net/ipv4/arp.c:392) [4193.486630][T21697] neigh_probe (net/core/neighbour.c:1077) | [4193.486630][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) | [4193.486630][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4193.486630][T21697] arp_solicit (net/ipv4/arp.c:392) | [4193.486630][T21697] neigh_probe (net/core/neighbour.c:1077) | [ 4193.486630][T21697] [ 4193.490844][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 2/5 users at [4193.490844][T21697] dst_init (net/core/dst.c:53) [4193.490844][T21697] dst_alloc (net/core/dst.c:96) [4193.490844][T21697] ip6_dst_alloc (net/ipv6/route.c:342) [4193.490844][T21697] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4193.490844][T21697] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4193.490844][T21697] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4193.490844][T21697] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4193.490844][T21697] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4193.490844][T21697] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4193.490844][T21697] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4193.490844][T21697] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4193.490844][T21697] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4193.490844][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) [4193.490844][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4193.490844][T21697] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4193.490844][T21697] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4193.490844][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) | [4193.490844][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4193.490844][T21697] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4193.490844][T21697] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4193.490844][T21697] [ 4193.494653][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 1/5 users at [4193.494653][T21697] netdev_get_by_index (net/core/dev.c:916) [4193.494653][T21697] fib6_nh_init (net/ipv6/route.c:3543) [4193.494653][T21697] nh_create_ipv6 (net/ipv4/nexthop.c:2843) [4193.494653][T21697] nexthop_create (net/ipv4/nexthop.c:2894) [4193.494653][T21697] rtm_new_nexthop (net/ipv4/nexthop.c:2936 net/ipv4/nexthop.c:3222) [4193.494653][T21697] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4193.494653][T21697] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4193.494653][T21697] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4193.494653][T21697] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4193.494653][T21697] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4193.494653][T21697] ___sys_sendmsg (net/socket.c:2653) [4193.494653][T21697] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4193.494653][T21697] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4193.494653][T21697] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4193.494653][T21697] ___sys_sendmsg (net/socket.c:2653) | [4193.494653][T21697] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4193.494653][T21697] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4193.494653][T21697] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4193.494653][T21697] [ 4193.497947][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 1/5 users at [4193.497947][T21697] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4193.497947][T21697] addrconf_notify (net/ipv6/addrconf.c:3656) [4193.497947][T21697] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4193.497947][T21697] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10472) [4193.497947][T21697] veth_newlink (drivers/net/veth.c:1861) [4193.497947][T21697] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4193.497947][T21697] __rtnl_newlink (net/core/rtnetlink.c:3730) [4193.497947][T21697] rtnl_newlink (net/core/rtnetlink.c:3744) [4193.497947][T21697] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4193.497947][T21697] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4193.497947][T21697] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4193.497947][T21697] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4193.497947][T21697] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4193.497947][T21697] ___sys_sendmsg (net/socket.c:2653) [4193.497947][T21697] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4193.497947][T21697] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4193.497947][T21697] ___sys_sendmsg (net/socket.c:2653) | [4193.497947][T21697] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4193.497947][T21697] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4193.497947][T21697] | [ 4203.686804][T21697] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4203.687312][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 1/5 users at [4203.687312][T21697] dst_init (net/core/dst.c:53) [4203.687312][T21697] dst_alloc (net/core/dst.c:96) [4203.687312][T21697] ip6_dst_alloc (net/ipv6/route.c:342) [4203.687312][T21697] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4203.687312][T21697] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4203.687312][T21697] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4203.687312][T21697] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4203.687312][T21697] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4203.687312][T21697] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4203.687312][T21697] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4203.687312][T21697] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4203.687312][T21697] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4203.687312][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) [4203.687312][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4203.687312][T21697] arp_solicit (net/ipv4/arp.c:392) [4203.687312][T21697] neigh_probe (net/core/neighbour.c:1077) | [4203.687312][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) | [4203.687312][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4203.687312][T21697] arp_solicit (net/ipv4/arp.c:392) | [4203.687312][T21697] neigh_probe (net/core/neighbour.c:1077) | [ 4203.687312][T21697] [ 4203.690239][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 2/5 users at [4203.690239][T21697] dst_init (net/core/dst.c:53) [4203.690239][T21697] dst_alloc (net/core/dst.c:96) [4203.690239][T21697] ip6_dst_alloc (net/ipv6/route.c:342) [4203.690239][T21697] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4203.690239][T21697] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4203.690239][T21697] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4203.690239][T21697] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4203.690239][T21697] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4203.690239][T21697] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4203.690239][T21697] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4203.690239][T21697] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4203.690239][T21697] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4203.690239][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) [4203.690239][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4203.690239][T21697] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4203.690239][T21697] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4203.690239][T21697] dev_hard_start_xmit (./include/linux/netdevice.h:4892 ./include/linux/netdevice.h:4901 net/core/dev.c:3580 net/core/dev.c:3596) | [4203.690239][T21697] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4203.690239][T21697] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4203.690239][T21697] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4203.690239][T21697] [ 4203.693115][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 1/5 users at [4203.693115][T21697] netdev_get_by_index (net/core/dev.c:916) [4203.693115][T21697] fib6_nh_init (net/ipv6/route.c:3543) [4203.693115][T21697] nh_create_ipv6 (net/ipv4/nexthop.c:2843) [4203.693115][T21697] nexthop_create (net/ipv4/nexthop.c:2894) [4203.693115][T21697] rtm_new_nexthop (net/ipv4/nexthop.c:2936 net/ipv4/nexthop.c:3222) [4203.693115][T21697] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4203.693115][T21697] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4203.693115][T21697] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4203.693115][T21697] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4203.693115][T21697] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4203.693115][T21697] ___sys_sendmsg (net/socket.c:2653) [4203.693115][T21697] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4203.693115][T21697] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4203.693115][T21697] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4203.693115][T21697] ___sys_sendmsg (net/socket.c:2653) | [4203.693115][T21697] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4203.693115][T21697] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4203.693115][T21697] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4203.693115][T21697] [ 4203.695533][T21697] ref_tracker: veth_A-R1@ffff88800c9715e0 has 1/5 users at [4203.695533][T21697] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4203.695533][T21697] addrconf_notify (net/ipv6/addrconf.c:3656) [4203.695533][T21697] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4203.695533][T21697] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10472) [4203.695533][T21697] veth_newlink (drivers/net/veth.c:1861) [4203.695533][T21697] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4203.695533][T21697] __rtnl_newlink (net/core/rtnetlink.c:3730) [4203.695533][T21697] rtnl_newlink (net/core/rtnetlink.c:3744) [4203.695533][T21697] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4203.695533][T21697] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4203.695533][T21697] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4203.695533][T21697] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4203.695533][T21697] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4203.695533][T21697] ___sys_sendmsg (net/socket.c:2653) [4203.695533][T21697] __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 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 dst_init:dst_alloc:ip6_dst_alloc:ip6_rt_pcpu_alloc:ip6_pol_route