====================================== | [ 2888.460969][ T75] veth_A-C (unregistering): left promiscuous mode | [ 2898.813154][T14225] geneve_a: left promiscuous mode | [ 2903.198037][T14238] ovs_br0: left promiscuous mode | [ 3658.825513][T18499] Initializing XFRM netlink socket | [ 4092.431264][T20748] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 4092.431744][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4092.431744][T20748] dst_init (net/core/dst.c:53) [4092.431744][T20748] dst_alloc (net/core/dst.c:96) [4092.431744][T20748] ip6_dst_alloc (net/ipv6/route.c:342) [4092.431744][T20748] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4092.431744][T20748] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4092.431744][T20748] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4092.431744][T20748] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4092.431744][T20748] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4092.431744][T20748] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4092.431744][T20748] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4092.431744][T20748] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4092.431744][T20748] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4092.431744][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) [4092.431744][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4092.431744][T20748] arp_solicit (net/ipv4/arp.c:392) [4092.431744][T20748] neigh_probe (net/core/neighbour.c:1077) | [4092.431744][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) | [4092.431744][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4092.431744][T20748] arp_solicit (net/ipv4/arp.c:392) | [4092.431744][T20748] neigh_probe (net/core/neighbour.c:1077) | [ 4092.431744][T20748] [ 4092.434600][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4092.434600][T20748] dst_init (net/core/dst.c:53) [4092.434600][T20748] dst_alloc (net/core/dst.c:96) [4092.434600][T20748] ip6_dst_alloc (net/ipv6/route.c:342) [4092.434600][T20748] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4092.434600][T20748] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4092.434600][T20748] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4092.434600][T20748] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4092.434600][T20748] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4092.434600][T20748] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4092.434600][T20748] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4092.434600][T20748] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4092.434600][T20748] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4092.434600][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) [4092.434600][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4092.434600][T20748] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4092.434600][T20748] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4092.434600][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) | [4092.434600][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4092.434600][T20748] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4092.434600][T20748] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4092.434600][T20748] [ 4092.437080][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4092.437080][T20748] netdev_get_by_index (net/core/dev.c:916) [4092.437080][T20748] fib6_nh_init (net/ipv6/route.c:3543) [4092.437080][T20748] nh_create_ipv6 (net/ipv4/nexthop.c:2828) [4092.437080][T20748] nexthop_create (net/ipv4/nexthop.c:2879) [4092.437080][T20748] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207) [4092.437080][T20748] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4092.437080][T20748] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4092.437080][T20748] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4092.437080][T20748] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4092.437080][T20748] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4092.437080][T20748] ___sys_sendmsg (net/socket.c:2653) [4092.437080][T20748] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4092.437080][T20748] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4092.437080][T20748] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4092.437080][T20748] ___sys_sendmsg (net/socket.c:2653) | [4092.437080][T20748] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4092.437080][T20748] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4092.437080][T20748] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4092.437080][T20748] [ 4092.439205][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4092.439205][T20748] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411) [4092.439205][T20748] addrconf_notify (net/ipv6/addrconf.c:3658) [4092.439205][T20748] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4092.439205][T20748] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470) [4092.439205][T20748] veth_newlink (drivers/net/veth.c:1861) [4092.439205][T20748] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4092.439205][T20748] __rtnl_newlink (net/core/rtnetlink.c:3730) [4092.439205][T20748] rtnl_newlink (net/core/rtnetlink.c:3744) [4092.439205][T20748] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4092.439205][T20748] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4092.439205][T20748] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4092.439205][T20748] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4092.439205][T20748] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4092.439205][T20748] ___sys_sendmsg (net/socket.c:2653) [4092.439205][T20748] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4092.439205][T20748] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4092.439205][T20748] ___sys_sendmsg (net/socket.c:2653) | [4092.439205][T20748] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4092.439205][T20748] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4092.439205][T20748] | [ 4102.615348][T20748] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 5 [ 4102.615852][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4102.615852][T20748] dst_init (net/core/dst.c:53) [4102.615852][T20748] dst_alloc (net/core/dst.c:96) [4102.615852][T20748] ip6_dst_alloc (net/ipv6/route.c:342) [4102.615852][T20748] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4102.615852][T20748] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4102.615852][T20748] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4102.615852][T20748] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4102.615852][T20748] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4102.615852][T20748] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4102.615852][T20748] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4102.615852][T20748] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4102.615852][T20748] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4102.615852][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) [4102.615852][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4102.615852][T20748] arp_solicit (net/ipv4/arp.c:392) [4102.615852][T20748] neigh_probe (net/core/neighbour.c:1077) | [4102.615852][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) | [4102.615852][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4102.615852][T20748] arp_solicit (net/ipv4/arp.c:392) | [4102.615852][T20748] neigh_probe (net/core/neighbour.c:1077) | [ 4102.615852][T20748] [ 4102.618124][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4102.618124][T20748] dst_init (net/core/dst.c:53) [4102.618124][T20748] dst_alloc (net/core/dst.c:96) [4102.618124][T20748] ip6_dst_alloc (net/ipv6/route.c:342) [4102.618124][T20748] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4102.618124][T20748] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4102.618124][T20748] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:121) [4102.618124][T20748] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4102.618124][T20748] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1148) [4102.618124][T20748] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1252) [4102.618124][T20748] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4102.618124][T20748] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2531 (discriminator 4)) vxlan [4102.618124][T20748] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2796) vxlan [4102.618124][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) [4102.618124][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) [4102.618124][T20748] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) [4102.618124][T20748] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [4102.618124][T20748] dev_hard_start_xmit (./include/linux/netdevice.h:4881 ./include/linux/netdevice.h:4890 net/core/dev.c:3580 net/core/dev.c:3596) | [4102.618124][T20748] __dev_queue_xmit (net/core/dev.h:168 net/core/dev.c:4424) | [4102.618124][T20748] ip6_finish_output2 (./include/net/neighbour.h:540 net/ipv6/ip6_output.c:137) | [4102.618124][T20748] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) | [ 4102.618124][T20748] [ 4102.620369][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4102.620369][T20748] netdev_get_by_index (net/core/dev.c:916) [4102.620369][T20748] fib6_nh_init (net/ipv6/route.c:3543) [4102.620369][T20748] nh_create_ipv6 (net/ipv4/nexthop.c:2828) [4102.620369][T20748] nexthop_create (net/ipv4/nexthop.c:2879) [4102.620369][T20748] rtm_new_nexthop (net/ipv4/nexthop.c:2921 net/ipv4/nexthop.c:3207) [4102.620369][T20748] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4102.620369][T20748] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4102.620369][T20748] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4102.620369][T20748] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4102.620369][T20748] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4102.620369][T20748] ___sys_sendmsg (net/socket.c:2653) [4102.620369][T20748] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) [4102.620369][T20748] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4102.620369][T20748] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4102.620369][T20748] ___sys_sendmsg (net/socket.c:2653) | [4102.620369][T20748] __sys_sendmsg (./include/linux/file.h:34 net/socket.c:2682) | [4102.620369][T20748] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4102.620369][T20748] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4102.620369][T20748] [ 4102.622369][T20748] ref_tracker: veth_A-R1@ffff888007ef15e0 has 1/4 users at [4102.622369][T20748] ipv6_add_dev (net/ipv6/addrconf.c:346 net/ipv6/addrconf.c:411) [4102.622369][T20748] addrconf_notify (net/ipv6/addrconf.c:3658) [4102.622369][T20748] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4102.622369][T20748] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10470) [4102.622369][T20748] veth_newlink (drivers/net/veth.c:1861) [4102.622369][T20748] rtnl_newlink_create (net/core/rtnetlink.c:3510) [4102.622369][T20748] __rtnl_newlink (net/core/rtnetlink.c:3730) [4102.622369][T20748] rtnl_newlink (net/core/rtnetlink.c:3744) [4102.622369][T20748] rtnetlink_rcv_msg (net/core/rtnetlink.c:6647) [4102.622369][T20748] netlink_rcv_skb (net/netlink/af_netlink.c:2550) [4102.622369][T20748] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4102.622369][T20748] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4102.622369][T20748] ____sys_sendmsg (net/socket.c:730 net/socket.c:745 net/socket.c:2597) [4102.622369][T20748] ___sys_sendmsg (net/socket.c:2653) [4102.622369][T20748] __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