====================================== | [ 2862.633222][ T11] veth_A-C (unregistering): left promiscuous mode | [ 2872.541122][T14236] geneve_a: left promiscuous mode | [ 2876.785516][T14250] ovs_br0: left promiscuous mode | [ 3627.204569][T18514] Initializing XFRM netlink socket | [ 4064.015486][T20763] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4064.016044][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 1/5 users at [4064.016044][T20763] dst_init (net/core/dst.c:53) [4064.016044][T20763] dst_alloc (net/core/dst.c:96) [4064.016044][T20763] ip6_dst_alloc (net/ipv6/route.c:342) [4064.016044][T20763] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4064.016044][T20763] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4064.016044][T20763] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4064.016044][T20763] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4064.016044][T20763] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [4064.016044][T20763] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [4064.016044][T20763] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4064.016044][T20763] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4064.016044][T20763] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4064.016044][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4064.016044][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4064.016044][T20763] arp_solicit (net/ipv4/arp.c:392) [4064.016044][T20763] neigh_probe (net/core/neighbour.c:1077) | [4064.016044][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4064.016044][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4064.016044][T20763] arp_solicit (net/ipv4/arp.c:392) | [4064.016044][T20763] neigh_probe (net/core/neighbour.c:1077) | [ 4064.016044][T20763] [ 4064.018827][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 2/5 users at [4064.018827][T20763] dst_init (net/core/dst.c:53) [4064.018827][T20763] dst_alloc (net/core/dst.c:96) [4064.018827][T20763] ip6_dst_alloc (net/ipv6/route.c:342) [4064.018827][T20763] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4064.018827][T20763] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4064.018827][T20763] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4064.018827][T20763] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4064.018827][T20763] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [4064.018827][T20763] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [4064.018827][T20763] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4064.018827][T20763] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4064.018827][T20763] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4064.018827][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4064.018827][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4064.018827][T20763] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4064.018827][T20763] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4064.018827][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4064.018827][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4064.018827][T20763] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4064.018827][T20763] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4064.018827][T20763] [ 4064.021062][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 1/5 users at [4064.021062][T20763] netdev_get_by_index (net/core/dev.c:917) [4064.021062][T20763] fib6_nh_init (net/ipv6/route.c:3543) [4064.021062][T20763] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [4064.021062][T20763] nexthop_create (net/ipv4/nexthop.c:2878) [4064.021062][T20763] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [4064.021062][T20763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4064.021062][T20763] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4064.021062][T20763] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4064.021062][T20763] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4064.021062][T20763] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4064.021062][T20763] ___sys_sendmsg (net/socket.c:2641) [4064.021062][T20763] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4064.021062][T20763] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4064.021062][T20763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4064.021062][T20763] ___sys_sendmsg (net/socket.c:2641) | [4064.021062][T20763] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4064.021062][T20763] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4064.021062][T20763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4064.021062][T20763] [ 4064.023015][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 1/5 users at [4064.023015][T20763] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4064.023015][T20763] addrconf_notify (net/ipv6/addrconf.c:3653) [4064.023015][T20763] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4064.023015][T20763] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10476) [4064.023015][T20763] veth_newlink (drivers/net/veth.c:1860) [4064.023015][T20763] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4064.023015][T20763] __rtnl_newlink (net/core/rtnetlink.c:3730) [4064.023015][T20763] rtnl_newlink (net/core/rtnetlink.c:3744) [4064.023015][T20763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4064.023015][T20763] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4064.023015][T20763] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4064.023015][T20763] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4064.023015][T20763] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4064.023015][T20763] ___sys_sendmsg (net/socket.c:2641) [4064.023015][T20763] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4064.023015][T20763] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4064.023015][T20763] ___sys_sendmsg (net/socket.c:2641) | [4064.023015][T20763] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4064.023015][T20763] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4064.023015][T20763] | [ 4074.071516][T20763] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4074.071983][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 1/5 users at [4074.071983][T20763] dst_init (net/core/dst.c:53) [4074.071983][T20763] dst_alloc (net/core/dst.c:96) [4074.071983][T20763] ip6_dst_alloc (net/ipv6/route.c:342) [4074.071983][T20763] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4074.071983][T20763] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4074.071983][T20763] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4074.071983][T20763] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4074.071983][T20763] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [4074.071983][T20763] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [4074.071983][T20763] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4074.071983][T20763] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4074.071983][T20763] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4074.071983][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4074.071983][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4074.071983][T20763] arp_solicit (net/ipv4/arp.c:392) [4074.071983][T20763] neigh_probe (net/core/neighbour.c:1077) | [4074.071983][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4074.071983][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4074.071983][T20763] arp_solicit (net/ipv4/arp.c:392) | [4074.071983][T20763] neigh_probe (net/core/neighbour.c:1077) | [ 4074.071983][T20763] [ 4074.074409][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 2/5 users at [4074.074409][T20763] dst_init (net/core/dst.c:53) [4074.074409][T20763] dst_alloc (net/core/dst.c:96) [4074.074409][T20763] ip6_dst_alloc (net/ipv6/route.c:342) [4074.074409][T20763] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4074.074409][T20763] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4074.074409][T20763] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4074.074409][T20763] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4074.074409][T20763] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1147) [4074.074409][T20763] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1251) [4074.074409][T20763] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4074.074409][T20763] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4074.074409][T20763] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4074.074409][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) [4074.074409][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4074.074409][T20763] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4074.074409][T20763] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4074.074409][T20763] dev_hard_start_xmit (./include/linux/netdevice.h:4915 ./include/linux/netdevice.h:4924 net/core/dev.c:3581 net/core/dev.c:3597) | [4074.074409][T20763] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4074.074409][T20763] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4074.074409][T20763] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4074.074409][T20763] [ 4074.076693][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 1/5 users at [4074.076693][T20763] netdev_get_by_index (net/core/dev.c:917) [4074.076693][T20763] fib6_nh_init (net/ipv6/route.c:3543) [4074.076693][T20763] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [4074.076693][T20763] nexthop_create (net/ipv4/nexthop.c:2878) [4074.076693][T20763] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [4074.076693][T20763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4074.076693][T20763] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4074.076693][T20763] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4074.076693][T20763] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4074.076693][T20763] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4074.076693][T20763] ___sys_sendmsg (net/socket.c:2641) [4074.076693][T20763] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4074.076693][T20763] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4074.076693][T20763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4074.076693][T20763] ___sys_sendmsg (net/socket.c:2641) | [4074.076693][T20763] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4074.076693][T20763] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4074.076693][T20763] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4074.076693][T20763] [ 4074.078699][T20763] ref_tracker: veth_A-R1@ffff8880065615e0 has 1/5 users at [4074.078699][T20763] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4074.078699][T20763] addrconf_notify (net/ipv6/addrconf.c:3653) [4074.078699][T20763] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4074.078699][T20763] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10476) [4074.078699][T20763] veth_newlink (drivers/net/veth.c:1860) [4074.078699][T20763] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4074.078699][T20763] __rtnl_newlink (net/core/rtnetlink.c:3730) [4074.078699][T20763] rtnl_newlink (net/core/rtnetlink.c:3744) [4074.078699][T20763] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4074.078699][T20763] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4074.078699][T20763] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4074.078699][T20763] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4074.078699][T20763] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4074.078699][T20763] ___sys_sendmsg (net/socket.c:2641) [4074.078699][T20763] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) 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