====================================== | [ 3318.800423][ T11] veth_A-C (unregistering): left promiscuous mode | [ 3331.491174][T14786] geneve_a: left promiscuous mode | [ 3336.694119][T14800] ovs_br0: left promiscuous mode | [ 4220.026267][T19302] Initializing XFRM netlink socket | [ 4711.481661][T21692] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4711.482109][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 1/5 users at [4711.482109][T21692] dst_init (net/core/dst.c:53) [4711.482109][T21692] dst_alloc (net/core/dst.c:96) [4711.482109][T21692] ip6_dst_alloc (net/ipv6/route.c:342) [4711.482109][T21692] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4711.482109][T21692] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4711.482109][T21692] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4711.482109][T21692] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4711.482109][T21692] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4711.482109][T21692] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4711.482109][T21692] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4711.482109][T21692] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4711.482109][T21692] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4711.482109][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) [4711.482109][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) [4711.482109][T21692] arp_solicit (net/ipv4/arp.c:392) [4711.482109][T21692] neigh_probe (net/core/neighbour.c:1077) | [4711.482109][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) | [4711.482109][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) | [4711.482109][T21692] arp_solicit (net/ipv4/arp.c:392) | [4711.482109][T21692] neigh_probe (net/core/neighbour.c:1077) | [ 4711.482109][T21692] [ 4711.484776][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 2/5 users at [4711.484776][T21692] dst_init (net/core/dst.c:53) [4711.484776][T21692] dst_alloc (net/core/dst.c:96) [4711.484776][T21692] ip6_dst_alloc (net/ipv6/route.c:342) [4711.484776][T21692] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4711.484776][T21692] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4711.484776][T21692] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4711.484776][T21692] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4711.484776][T21692] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4711.484776][T21692] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4711.484776][T21692] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4711.484776][T21692] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4711.484776][T21692] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4711.484776][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) [4711.484776][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) [4711.484776][T21692] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) [4711.484776][T21692] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4711.484776][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) | [4711.484776][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) | [4711.484776][T21692] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) | [4711.484776][T21692] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4711.484776][T21692] [ 4711.487071][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 1/5 users at [4711.487071][T21692] netdev_get_by_index (net/core/dev.c:918) [4711.487071][T21692] fib6_nh_init (net/ipv6/route.c:3543) [4711.487071][T21692] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4711.487071][T21692] nexthop_create (net/ipv4/nexthop.c:2892) [4711.487071][T21692] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4711.487071][T21692] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [4711.487071][T21692] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4711.487071][T21692] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4711.487071][T21692] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4711.487071][T21692] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4711.487071][T21692] ___sys_sendmsg (net/socket.c:2663) [4711.487071][T21692] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4711.487071][T21692] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4711.487071][T21692] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4711.487071][T21692] ___sys_sendmsg (net/socket.c:2663) | [4711.487071][T21692] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4711.487071][T21692] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4711.487071][T21692] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4711.487071][T21692] [ 4711.489050][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 1/5 users at [4711.489050][T21692] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4711.489050][T21692] addrconf_notify (net/ipv6/addrconf.c:3656) [4711.489050][T21692] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4711.489050][T21692] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10584) [4711.489050][T21692] veth_newlink (drivers/net/veth.c:1861) [4711.489050][T21692] rtnl_newlink_create (net/core/rtnetlink.c:3585) [4711.489050][T21692] __rtnl_newlink (net/core/rtnetlink.c:3805) [4711.489050][T21692] rtnl_newlink (net/core/rtnetlink.c:3819) [4711.489050][T21692] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [4711.489050][T21692] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4711.489050][T21692] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4711.489050][T21692] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4711.489050][T21692] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4711.489050][T21692] ___sys_sendmsg (net/socket.c:2663) [4711.489050][T21692] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4711.489050][T21692] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4711.489050][T21692] ___sys_sendmsg (net/socket.c:2663) | [4711.489050][T21692] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4711.489050][T21692] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4711.489050][T21692] | [ 4721.648738][T21692] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4721.649132][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 1/5 users at [4721.649132][T21692] dst_init (net/core/dst.c:53) [4721.649132][T21692] dst_alloc (net/core/dst.c:96) [4721.649132][T21692] ip6_dst_alloc (net/ipv6/route.c:342) [4721.649132][T21692] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4721.649132][T21692] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4721.649132][T21692] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4721.649132][T21692] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4721.649132][T21692] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4721.649132][T21692] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4721.649132][T21692] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4721.649132][T21692] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4721.649132][T21692] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4721.649132][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) [4721.649132][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) [4721.649132][T21692] arp_solicit (net/ipv4/arp.c:392) [4721.649132][T21692] neigh_probe (net/core/neighbour.c:1077) | [4721.649132][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) | [4721.649132][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) | [4721.649132][T21692] arp_solicit (net/ipv4/arp.c:392) | [4721.649132][T21692] neigh_probe (net/core/neighbour.c:1077) | [ 4721.649132][T21692] [ 4721.651416][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 2/5 users at [4721.651416][T21692] dst_init (net/core/dst.c:53) [4721.651416][T21692] dst_alloc (net/core/dst.c:96) [4721.651416][T21692] ip6_dst_alloc (net/ipv6/route.c:342) [4721.651416][T21692] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4721.651416][T21692] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4721.651416][T21692] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4721.651416][T21692] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4721.651416][T21692] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4721.651416][T21692] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4721.651416][T21692] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4721.651416][T21692] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4721.651416][T21692] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4721.651416][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) [4721.651416][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) [4721.651416][T21692] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) [4721.651416][T21692] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4721.651416][T21692] dev_hard_start_xmit (./include/linux/netdevice.h:4989 ./include/linux/netdevice.h:4998 net/core/dev.c:3590 net/core/dev.c:3606) | [4721.651416][T21692] __dev_queue_xmit (net/core/dev.h:266 net/core/dev.c:4431) | [4721.651416][T21692] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) | [4721.651416][T21692] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4721.651416][T21692] [ 4721.653750][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 1/5 users at [4721.653750][T21692] netdev_get_by_index (net/core/dev.c:918) [4721.653750][T21692] fib6_nh_init (net/ipv6/route.c:3543) [4721.653750][T21692] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4721.653750][T21692] nexthop_create (net/ipv4/nexthop.c:2892) [4721.653750][T21692] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4721.653750][T21692] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [4721.653750][T21692] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4721.653750][T21692] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4721.653750][T21692] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4721.653750][T21692] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4721.653750][T21692] ___sys_sendmsg (net/socket.c:2663) [4721.653750][T21692] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4721.653750][T21692] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4721.653750][T21692] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4721.653750][T21692] ___sys_sendmsg (net/socket.c:2663) | [4721.653750][T21692] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4721.653750][T21692] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4721.653750][T21692] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4721.653750][T21692] [ 4721.655729][T21692] ref_tracker: veth_A-R1@ffff88800d4015d8 has 1/5 users at [4721.655729][T21692] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4721.655729][T21692] addrconf_notify (net/ipv6/addrconf.c:3656) [4721.655729][T21692] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4721.655729][T21692] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10584) [4721.655729][T21692] veth_newlink (drivers/net/veth.c:1861) [4721.655729][T21692] rtnl_newlink_create (net/core/rtnetlink.c:3585) [4721.655729][T21692] __rtnl_newlink (net/core/rtnetlink.c:3805) [4721.655729][T21692] rtnl_newlink (net/core/rtnetlink.c:3819) [4721.655729][T21692] rtnetlink_rcv_msg (net/core/rtnetlink.c:6721) [4721.655729][T21692] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4721.655729][T21692] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4721.655729][T21692] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4721.655729][T21692] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4721.655729][T21692] ___sys_sendmsg (net/socket.c:2663) [4721.655729][T21692] __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