====================================== | [ 2855.483880][ T74] veth_A-C (unregistering): left promiscuous mode | [ 2865.831357][T14235] geneve_a: left promiscuous mode | [ 2870.363087][T14250] ovs_br0: left promiscuous mode | [ 3620.325662][T18514] Initializing XFRM netlink socket | [ 4054.471224][T20766] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 4054.471718][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4054.471718][T20766] dst_init (net/core/dst.c:53) [4054.471718][T20766] dst_alloc (net/core/dst.c:96) [4054.471718][T20766] ip6_dst_alloc (net/ipv6/route.c:342) [4054.471718][T20766] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4054.471718][T20766] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4054.471718][T20766] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4054.471718][T20766] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4054.471718][T20766] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4054.471718][T20766] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4054.471718][T20766] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4054.471718][T20766] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4054.471718][T20766] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4054.471718][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) [4054.471718][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4054.471718][T20766] arp_solicit (net/ipv4/arp.c:392) [4054.471718][T20766] neigh_probe (net/core/neighbour.c:1077) | [4054.471718][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) | [4054.471718][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4054.471718][T20766] arp_solicit (net/ipv4/arp.c:392) | [4054.471718][T20766] neigh_probe (net/core/neighbour.c:1077) | [ 4054.471718][T20766] [ 4054.474414][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4054.474414][T20766] dst_init (net/core/dst.c:53) [4054.474414][T20766] dst_alloc (net/core/dst.c:96) [4054.474414][T20766] ip6_dst_alloc (net/ipv6/route.c:342) [4054.474414][T20766] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4054.474414][T20766] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4054.474414][T20766] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4054.474414][T20766] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4054.474414][T20766] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4054.474414][T20766] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4054.474414][T20766] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4054.474414][T20766] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4054.474414][T20766] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4054.474414][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) [4054.474414][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4054.474414][T20766] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4054.474414][T20766] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4054.474414][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) | [4054.474414][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4054.474414][T20766] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4054.474414][T20766] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4054.474414][T20766] [ 4054.476764][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4054.476764][T20766] netdev_get_by_index (net/core/dev.c:917) [4054.476764][T20766] fib6_nh_init (net/ipv6/route.c:3543) [4054.476764][T20766] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [4054.476764][T20766] nexthop_create (net/ipv4/nexthop.c:2878) [4054.476764][T20766] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [4054.476764][T20766] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4054.476764][T20766] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4054.476764][T20766] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4054.476764][T20766] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4054.476764][T20766] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4054.476764][T20766] ___sys_sendmsg (net/socket.c:2641) [4054.476764][T20766] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4054.476764][T20766] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4054.476764][T20766] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4054.476764][T20766] ___sys_sendmsg (net/socket.c:2641) | [4054.476764][T20766] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4054.476764][T20766] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4054.476764][T20766] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4054.476764][T20766] [ 4054.478777][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4054.478777][T20766] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4054.478777][T20766] addrconf_notify (net/ipv6/addrconf.c:3654) [4054.478777][T20766] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4054.478777][T20766] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10481) [4054.478777][T20766] veth_newlink (drivers/net/veth.c:1860) [4054.478777][T20766] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4054.478777][T20766] __rtnl_newlink (net/core/rtnetlink.c:3730) [4054.478777][T20766] rtnl_newlink (net/core/rtnetlink.c:3744) [4054.478777][T20766] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4054.478777][T20766] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4054.478777][T20766] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4054.478777][T20766] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4054.478777][T20766] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4054.478777][T20766] ___sys_sendmsg (net/socket.c:2641) [4054.478777][T20766] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4054.478777][T20766] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4054.478777][T20766] ___sys_sendmsg (net/socket.c:2641) | [4054.478777][T20766] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4054.478777][T20766] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4054.478777][T20766] | [ 4064.663429][T20766] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 4064.663796][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4064.663796][T20766] dst_init (net/core/dst.c:53) [4064.663796][T20766] dst_alloc (net/core/dst.c:96) [4064.663796][T20766] ip6_dst_alloc (net/ipv6/route.c:342) [4064.663796][T20766] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4064.663796][T20766] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4064.663796][T20766] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4064.663796][T20766] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4064.663796][T20766] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4064.663796][T20766] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4064.663796][T20766] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4064.663796][T20766] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4064.663796][T20766] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4064.663796][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) [4064.663796][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4064.663796][T20766] arp_solicit (net/ipv4/arp.c:392) [4064.663796][T20766] neigh_probe (net/core/neighbour.c:1077) | [4064.663796][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) | [4064.663796][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4064.663796][T20766] arp_solicit (net/ipv4/arp.c:392) | [4064.663796][T20766] neigh_probe (net/core/neighbour.c:1077) | [ 4064.663796][T20766] [ 4064.666149][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4064.666149][T20766] dst_init (net/core/dst.c:53) [4064.666149][T20766] dst_alloc (net/core/dst.c:96) [4064.666149][T20766] ip6_dst_alloc (net/ipv6/route.c:342) [4064.666149][T20766] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4064.666149][T20766] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4064.666149][T20766] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4064.666149][T20766] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4064.666149][T20766] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4064.666149][T20766] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4064.666149][T20766] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4064.666149][T20766] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4064.666149][T20766] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4064.666149][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) [4064.666149][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) [4064.666149][T20766] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4064.666149][T20766] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4064.666149][T20766] dev_hard_start_xmit (./include/linux/netdevice.h:4912 ./include/linux/netdevice.h:4921 net/core/dev.c:3581 net/core/dev.c:3597) | [4064.666149][T20766] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4425) | [4064.666149][T20766] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4064.666149][T20766] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4064.666149][T20766] [ 4064.668451][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4064.668451][T20766] netdev_get_by_index (net/core/dev.c:917) [4064.668451][T20766] fib6_nh_init (net/ipv6/route.c:3543) [4064.668451][T20766] nh_create_ipv6 (net/ipv4/nexthop.c:2827) [4064.668451][T20766] nexthop_create (net/ipv4/nexthop.c:2878) [4064.668451][T20766] rtm_new_nexthop (net/ipv4/nexthop.c:2920 net/ipv4/nexthop.c:3206) [4064.668451][T20766] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4064.668451][T20766] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4064.668451][T20766] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4064.668451][T20766] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4064.668451][T20766] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4064.668451][T20766] ___sys_sendmsg (net/socket.c:2641) [4064.668451][T20766] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) [4064.668451][T20766] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4064.668451][T20766] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4064.668451][T20766] ___sys_sendmsg (net/socket.c:2641) | [4064.668451][T20766] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) | [4064.668451][T20766] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4064.668451][T20766] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4064.668451][T20766] [ 4064.670431][T20766] ref_tracker: veth_A-R1@ffff888005fc15e0 has 1/4 users at [4064.670431][T20766] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4064.670431][T20766] addrconf_notify (net/ipv6/addrconf.c:3654) [4064.670431][T20766] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4064.670431][T20766] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10481) [4064.670431][T20766] veth_newlink (drivers/net/veth.c:1860) [4064.670431][T20766] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4064.670431][T20766] __rtnl_newlink (net/core/rtnetlink.c:3730) [4064.670431][T20766] rtnl_newlink (net/core/rtnetlink.c:3744) [4064.670431][T20766] rtnetlink_rcv_msg (net/core/rtnetlink.c:6641) [4064.670431][T20766] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4064.670431][T20766] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4064.670431][T20766] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4064.670431][T20766] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2585) [4064.670431][T20766] ___sys_sendmsg (net/socket.c:2641) [4064.670431][T20766] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2670) Finger prints: dst_init:dst_alloc:ip6_dst_alloc:ip6_rt_pcpu_alloc:ip6_pol_route ___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 dev_hard_start_xmit:__dev_queue_xmit:ip6_finish_output2:ip6_finish_output:netdev_get_by_index ___sys_sendmsg:__sys_sendmsg:do_syscall_64:dst_init:dst_alloc