====================================== | [ 3326.402349][ T75] veth_A-C (unregistering): left promiscuous mode | [ 3338.821558][T14790] geneve_a: left promiscuous mode | [ 3343.985228][T14804] ovs_br0: left promiscuous mode | [ 4283.516127][T19307] Initializing XFRM netlink socket | [ 4825.805544][T21696] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4825.806159][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 1/5 users at [4825.806159][T21696] dst_init (net/core/dst.c:53) [4825.806159][T21696] dst_alloc (net/core/dst.c:96) [4825.806159][T21696] ip6_dst_alloc (net/ipv6/route.c:342) [4825.806159][T21696] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4825.806159][T21696] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4825.806159][T21696] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4825.806159][T21696] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4825.806159][T21696] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4825.806159][T21696] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4825.806159][T21696] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4825.806159][T21696] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4825.806159][T21696] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4825.806159][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4825.806159][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4825.806159][T21696] arp_solicit (net/ipv4/arp.c:392) [4825.806159][T21696] neigh_probe (net/core/neighbour.c:1062) | [4825.806159][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4825.806159][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4825.806159][T21696] arp_solicit (net/ipv4/arp.c:392) | [4825.806159][T21696] neigh_probe (net/core/neighbour.c:1062) | [ 4825.806159][T21696] [ 4825.809332][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 2/5 users at [4825.809332][T21696] dst_init (net/core/dst.c:53) [4825.809332][T21696] dst_alloc (net/core/dst.c:96) [4825.809332][T21696] ip6_dst_alloc (net/ipv6/route.c:342) [4825.809332][T21696] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4825.809332][T21696] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4825.809332][T21696] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4825.809332][T21696] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4825.809332][T21696] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4825.809332][T21696] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4825.809332][T21696] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4825.809332][T21696] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4825.809332][T21696] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4825.809332][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4825.809332][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4825.809332][T21696] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) [4825.809332][T21696] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4825.809332][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4825.809332][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4825.809332][T21696] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) | [4825.809332][T21696] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4825.809332][T21696] [ 4825.812164][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 1/5 users at [4825.812164][T21696] netdev_get_by_index (net/core/dev.c:918) [4825.812164][T21696] fib6_nh_init (net/ipv6/route.c:3543) [4825.812164][T21696] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4825.812164][T21696] nexthop_create (net/ipv4/nexthop.c:2892) [4825.812164][T21696] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4825.812164][T21696] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4825.812164][T21696] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4825.812164][T21696] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4825.812164][T21696] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4825.812164][T21696] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4825.812164][T21696] ___sys_sendmsg (net/socket.c:2663) [4825.812164][T21696] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4825.812164][T21696] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4825.812164][T21696] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4825.812164][T21696] ___sys_sendmsg (net/socket.c:2663) | [4825.812164][T21696] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4825.812164][T21696] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4825.812164][T21696] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4825.812164][T21696] [ 4825.814756][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 1/5 users at [4825.814756][T21696] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4825.814756][T21696] addrconf_notify (net/ipv6/addrconf.c:3656) [4825.814756][T21696] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4825.814756][T21696] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10651) [4825.814756][T21696] veth_newlink (drivers/net/veth.c:1861) [4825.814756][T21696] rtnl_newlink_create (net/core/rtnetlink.c:3704) [4825.814756][T21696] __rtnl_newlink (net/core/rtnetlink.c:3794) [4825.814756][T21696] rtnl_newlink (net/core/rtnetlink.c:3890) [4825.814756][T21696] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4825.814756][T21696] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4825.814756][T21696] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4825.814756][T21696] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4825.814756][T21696] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4825.814756][T21696] ___sys_sendmsg (net/socket.c:2663) [4825.814756][T21696] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4825.814756][T21696] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4825.814756][T21696] ___sys_sendmsg (net/socket.c:2663) | [4825.814756][T21696] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4825.814756][T21696] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [ 4825.814756][T21696] | [ 4835.948612][T21696] unregister_netdevice: waiting for veth_A-R1 to become free. Usage count = 6 [ 4835.949087][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 1/5 users at [4835.949087][T21696] dst_init (net/core/dst.c:53) [4835.949087][T21696] dst_alloc (net/core/dst.c:96) [4835.949087][T21696] ip6_dst_alloc (net/ipv6/route.c:342) [4835.949087][T21696] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4835.949087][T21696] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4835.949087][T21696] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4835.949087][T21696] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4835.949087][T21696] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4835.949087][T21696] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4835.949087][T21696] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4835.949087][T21696] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4835.949087][T21696] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4835.949087][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4835.949087][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4835.949087][T21696] arp_solicit (net/ipv4/arp.c:392) [4835.949087][T21696] neigh_probe (net/core/neighbour.c:1062) | [4835.949087][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4835.949087][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4835.949087][T21696] arp_solicit (net/ipv4/arp.c:392) | [4835.949087][T21696] neigh_probe (net/core/neighbour.c:1062) | [ 4835.949087][T21696] [ 4835.951741][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 2/5 users at [4835.951741][T21696] dst_init (net/core/dst.c:53) [4835.951741][T21696] dst_alloc (net/core/dst.c:96) [4835.951741][T21696] ip6_dst_alloc (net/ipv6/route.c:342) [4835.951741][T21696] ip6_rt_pcpu_alloc (net/ipv6/route.c:1381) [4835.951741][T21696] ip6_pol_route (net/ipv6/route.c:1430 net/ipv6/route.c:2267) [4835.951741][T21696] fib6_rule_lookup (./include/net/ip6_fib.h:616 net/ipv6/fib6_rules.c:122) [4835.951741][T21696] ip6_route_output_flags (net/ipv6/route.c:2639 net/ipv6/route.c:2651) [4835.951741][T21696] ip6_dst_lookup_tail.constprop.0 (net/ipv6/ip6_output.c:1156) [4835.951741][T21696] ip6_dst_lookup_flow (net/ipv6/ip6_output.c:1260) [4835.951741][T21696] udp_tunnel6_dst_lookup (net/ipv6/ip6_udp_tunnel.c:165 net/ipv6/ip6_udp_tunnel.c:135) [4835.951741][T21696] vxlan_xmit_one (drivers/net/vxlan/vxlan_core.c:2557 (discriminator 4)) vxlan [4835.951741][T21696] vxlan_xmit (drivers/net/vxlan/vxlan_core.c:2825) vxlan [4835.951741][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) [4835.951741][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) [4835.951741][T21696] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) [4835.951741][T21696] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [4835.951741][T21696] dev_hard_start_xmit (./include/linux/netdevice.h:4990 ./include/linux/netdevice.h:4999 net/core/dev.c:3590 net/core/dev.c:3606) | [4835.951741][T21696] __dev_queue_xmit (net/core/dev.h:291 net/core/dev.c:4435) | [4835.951741][T21696] ip6_finish_output2 (./include/net/neighbour.h:539 net/ipv6/ip6_output.c:141) | [4835.951741][T21696] ip6_finish_output (net/ipv6/ip6_output.c:215 net/ipv6/ip6_output.c:226) | [ 4835.951741][T21696] [ 4835.954501][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 1/5 users at [4835.954501][T21696] netdev_get_by_index (net/core/dev.c:918) [4835.954501][T21696] fib6_nh_init (net/ipv6/route.c:3543) [4835.954501][T21696] nh_create_ipv6 (net/ipv4/nexthop.c:2841) [4835.954501][T21696] nexthop_create (net/ipv4/nexthop.c:2892) [4835.954501][T21696] rtm_new_nexthop (net/ipv4/nexthop.c:2934 net/ipv4/nexthop.c:3220) [4835.954501][T21696] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4835.954501][T21696] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4835.954501][T21696] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4835.954501][T21696] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4835.954501][T21696] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4835.954501][T21696] ___sys_sendmsg (net/socket.c:2663) [4835.954501][T21696] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) [4835.954501][T21696] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) [4835.954501][T21696] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [4835.954501][T21696] ___sys_sendmsg (net/socket.c:2663) | [4835.954501][T21696] __sys_sendmsg (./include/linux/file.h:35 net/socket.c:2692) | [4835.954501][T21696] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) | [4835.954501][T21696] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) | [ 4835.954501][T21696] [ 4835.956751][T21696] ref_tracker: veth_A-R1@ffff8880075f15d8 has 1/5 users at [4835.956751][T21696] ipv6_add_dev (net/ipv6/addrconf.c:344 net/ipv6/addrconf.c:409) [4835.956751][T21696] addrconf_notify (net/ipv6/addrconf.c:3656) [4835.956751][T21696] notifier_call_chain (kernel/notifier.c:93 (discriminator 2)) [4835.956751][T21696] register_netdevice (./include/linux/notifier.h:207 net/core/dev.c:10651) [4835.956751][T21696] veth_newlink (drivers/net/veth.c:1861) [4835.956751][T21696] rtnl_newlink_create (net/core/rtnetlink.c:3704) [4835.956751][T21696] __rtnl_newlink (net/core/rtnetlink.c:3794) [4835.956751][T21696] rtnl_newlink (net/core/rtnetlink.c:3890) [4835.956751][T21696] rtnetlink_rcv_msg (net/core/rtnetlink.c:6802) [4835.956751][T21696] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [4835.956751][T21696] netlink_unicast (net/netlink/af_netlink.c:1331 net/netlink/af_netlink.c:1357) [4835.956751][T21696] netlink_sendmsg (net/netlink/af_netlink.c:1901) [4835.956751][T21696] ____sys_sendmsg (net/socket.c:729 net/socket.c:744 net/socket.c:2607) [4835.956751][T21696] ___sys_sendmsg (net/socket.c:2663) [4835.956751][T21696] __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