====================================== | [ 2886.854816][ T11] veth_A-C (unregistering): left promiscuous mode | [ 2897.426597][T14221] geneve_a: left promiscuous mode | [ 2901.815960][T14235] ovs_br0: left promiscuous mode | [ 3674.612418][T18497] Initializing XFRM netlink socket | [ 4109.960133][T20747] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4109.960717][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 1/5 users at [4109.960717][T20747] dst_init (net/core/dst.c:53) [4109.960717][T20747] dst_alloc (net/core/dst.c:96) [4109.960717][T20747] ip6_dst_alloc (net/ipv6/route.c:342) [4109.960717][T20747] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4109.960717][T20747] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4109.960717][T20747] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4109.960717][T20747] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4109.960717][T20747] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4109.960717][T20747] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4109.960717][T20747] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4109.960717][T20747] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4109.960717][T20747] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4109.960717][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) [4109.960717][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4109.960717][T20747] arp_solicit (net/ipv4/arp.c:392) [4109.960717][T20747] neigh_probe (net/core/neighbour.c:1077) | [4109.960717][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) | [4109.960717][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4109.960717][T20747] arp_solicit (net/ipv4/arp.c:392) | [4109.960717][T20747] neigh_probe (net/core/neighbour.c:1077) | [ 4109.960717][T20747] [ 4109.963902][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 2/5 users at [4109.963902][T20747] dst_init (net/core/dst.c:53) [4109.963902][T20747] dst_alloc (net/core/dst.c:96) [4109.963902][T20747] ip6_dst_alloc (net/ipv6/route.c:342) [4109.963902][T20747] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4109.963902][T20747] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4109.963902][T20747] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4109.963902][T20747] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4109.963902][T20747] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4109.963902][T20747] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4109.963902][T20747] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4109.963902][T20747] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4109.963902][T20747] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4109.963902][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) [4109.963902][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4109.963902][T20747] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4109.963902][T20747] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4109.963902][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) | [4109.963902][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4109.963902][T20747] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4109.963902][T20747] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4109.963902][T20747] [ 4109.966475][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 1/5 users at [4109.966475][T20747] netdev_get_by_index (net/core/dev.c:916) [4109.966475][T20747] fib6_nh_init (net/ipv6/route.c:3543) [4109.966475][T20747] nh_create_ipv6 (net/ipv4/nexthop.c:2843) [4109.966475][T20747] nexthop_create (net/ipv4/nexthop.c:2894) [4109.966475][T20747] rtm_new_nexthop (net/ipv4/nexthop.c:2936 net/ipv4/nexthop.c:3222) [4109.966475][T20747] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4109.966475][T20747] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4109.966475][T20747] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4109.966475][T20747] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4109.966475][T20747] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4109.966475][T20747] ___sys_sendmsg (net/socket.c:2653) [4109.966475][T20747] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4109.966475][T20747] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4109.966475][T20747] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4109.966475][T20747] ___sys_sendmsg (net/socket.c:2653) | [4109.966475][T20747] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4109.966475][T20747] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4109.966475][T20747] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4109.966475][T20747] [ 4109.968672][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 1/5 users at [4109.968672][T20747] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411) [4109.968672][T20747] addrconf_notify (net/ipv6/addrconf.c:3658) [4109.968672][T20747] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4109.968672][T20747] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10485) [4109.968672][T20747] veth_newlink (drivers/net/veth.c:1861) [4109.968672][T20747] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4109.968672][T20747] __rtnl_newlink (net/core/rtnetlink.c:3730) [4109.968672][T20747] rtnl_newlink (net/core/rtnetlink.c:3744) [4109.968672][T20747] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4109.968672][T20747] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4109.968672][T20747] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4109.968672][T20747] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4109.968672][T20747] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4109.968672][T20747] ___sys_sendmsg (net/socket.c:2653) [4109.968672][T20747] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4109.968672][T20747] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4109.968672][T20747] ___sys_sendmsg (net/socket.c:2653) | [4109.968672][T20747] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4109.968672][T20747] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4109.968672][T20747] | [ 4120.152153][T20747] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4120.152738][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 1/5 users at [4120.152738][T20747] dst_init (net/core/dst.c:53) [4120.152738][T20747] dst_alloc (net/core/dst.c:96) [4120.152738][T20747] ip6_dst_alloc (net/ipv6/route.c:342) [4120.152738][T20747] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4120.152738][T20747] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4120.152738][T20747] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4120.152738][T20747] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4120.152738][T20747] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4120.152738][T20747] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4120.152738][T20747] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4120.152738][T20747] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4120.152738][T20747] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4120.152738][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) [4120.152738][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4120.152738][T20747] arp_solicit (net/ipv4/arp.c:392) [4120.152738][T20747] neigh_probe (net/core/neighbour.c:1077) | [4120.152738][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) | [4120.152738][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4120.152738][T20747] arp_solicit (net/ipv4/arp.c:392) | [4120.152738][T20747] neigh_probe (net/core/neighbour.c:1077) | [ 4120.152738][T20747] [ 4120.155820][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 2/5 users at [4120.155820][T20747] dst_init (net/core/dst.c:53) [4120.155820][T20747] dst_alloc (net/core/dst.c:96) [4120.155820][T20747] ip6_dst_alloc (net/ipv6/route.c:342) [4120.155820][T20747] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4120.155820][T20747] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4120.155820][T20747] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4120.155820][T20747] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4120.155820][T20747] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4120.155820][T20747] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4120.155820][T20747] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4120.155820][T20747] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4120.155820][T20747] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4120.155820][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) [4120.155820][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) [4120.155820][T20747] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4120.155820][T20747] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4120.155820][T20747] dev_hard_start_xmit (./include/linux/netdevice.h:4882 ./include/linux/netdevice.h:4891 net/core/dev.c:3586 net/core/dev.c:3602) | [4120.155820][T20747] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4430) | [4120.155820][T20747] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4120.155820][T20747] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4120.155820][T20747] [ 4120.158346][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 1/5 users at [4120.158346][T20747] netdev_get_by_index (net/core/dev.c:916) [4120.158346][T20747] fib6_nh_init (net/ipv6/route.c:3543) [4120.158346][T20747] nh_create_ipv6 (net/ipv4/nexthop.c:2843) [4120.158346][T20747] nexthop_create (net/ipv4/nexthop.c:2894) [4120.158346][T20747] rtm_new_nexthop (net/ipv4/nexthop.c:2936 net/ipv4/nexthop.c:3222) [4120.158346][T20747] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4120.158346][T20747] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4120.158346][T20747] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4120.158346][T20747] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4120.158346][T20747] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4120.158346][T20747] ___sys_sendmsg (net/socket.c:2653) [4120.158346][T20747] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4120.158346][T20747] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4120.158346][T20747] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4120.158346][T20747] ___sys_sendmsg (net/socket.c:2653) | [4120.158346][T20747] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4120.158346][T20747] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4120.158346][T20747] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4120.158346][T20747] [ 4120.160559][T20747] ref_tracker: veth_A-R1@ffff888005e715e0 has 1/5 users at [4120.160559][T20747] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411) [4120.160559][T20747] addrconf_notify (net/ipv6/addrconf.c:3658) [4120.160559][T20747] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4120.160559][T20747] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10485) [4120.160559][T20747] veth_newlink (drivers/net/veth.c:1861) [4120.160559][T20747] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4120.160559][T20747] __rtnl_newlink (net/core/rtnetlink.c:3730) [4120.160559][T20747] rtnl_newlink (net/core/rtnetlink.c:3744) [4120.160559][T20747] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4120.160559][T20747] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4120.160559][T20747] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4120.160559][T20747] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4120.160559][T20747] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4120.160559][T20747] ___sys_sendmsg (net/socket.c:2653) [4120.160559][T20747] __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