[20580.956714][ T72] unregister_netdevice: waiting for w2.20 to become free. Usage count = 6 [20580.956761][T25496] unregister_netdevice: waiting for v3 to become free. Usage count = 8 [20580.957148][ T72] ref_tracker: w2.20@ffff8880057315d0 has 1/5 users at [20580.957148][ T72] netdev_get_by_index+0x5e/0x80 [20580.957148][ T72] fib6_nh_init+0x3d8/0x15b0 [20580.957148][ T72] ip6_route_info_create+0xf18/0x17d0 [20580.957148][ T72] ip6_route_add+0x1c/0x140 [20580.957148][ T72] addrconf_prefix_route+0x2a6/0x430 [20580.957148][ T72] inet6_addr_add+0x4f8/0xa40 [20580.957148][ T72] inet6_rtm_newaddr+0x560/0x6b0 [20580.957148][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.957148][ T72] netlink_rcv_skb+0x130/0x360 [20580.957148][ T72] netlink_unicast+0x449/0x710 [20580.957148][ T72] netlink_sendmsg+0x723/0xbe0 [20580.957148][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.957148][ T72] ___sys_sendmsg+0xee/0x170 [20580.957148][ T72] __sys_sendmsg+0xcd/0x170 [20580.957148][ T72] do_syscall_64+0xc6/0x1e0 [20580.957148][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.957148][ T72] [20580.957368][T25496] ref_tracker: v3@ffff8880031c95d0 has 1/7 users at [20580.957368][T25496] ___neigh_create+0x14b/0xf60 [20580.957368][T25496] ip6_finish_output2+0xa70/0xf80 [20580.957368][T25496] ip6_finish_output+0x4ed/0xd30 [20580.957368][T25496] ip6_output+0x1f3/0x770 [20580.957368][T25496] NF_HOOK.constprop.0+0xe2/0x680 [20580.957368][T25496] mld_sendpack+0x62d/0xbc0 [20580.957368][T25496] mld_ifc_work+0x32/0x1f0 [20580.957368][T25496] process_one_work+0x84d/0x18a0 [20580.957368][T25496] worker_thread+0x587/0xd30 [20580.957368][T25496] kthread+0x28a/0x350 [20580.957368][T25496] ret_from_fork+0x31/0x70 [20580.957368][T25496] ret_from_fork_asm+0x1a/0x30 [20580.957368][T25496] [20580.959296][ T72] ref_tracker: w2.20@ffff8880057315d0 has 1/5 users at [20580.959296][ T72] netdev_get_by_index+0x5e/0x80 [20580.959296][ T72] fib6_nh_init+0x3d8/0x15b0 [20580.959296][ T72] ip6_route_info_create+0xf18/0x17d0 [20580.959296][ T72] addrconf_f6i_alloc+0x315/0x560 [20580.959296][ T72] ipv6_add_addr+0x411/0x2000 [20580.959296][ T72] inet6_addr_add+0x30e/0xa40 [20580.959296][ T72] inet6_rtm_newaddr+0x560/0x6b0 [20580.959296][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.959296][ T72] netlink_rcv_skb+0x130/0x360 [20580.959296][ T72] netlink_unicast+0x449/0x710 [20580.959296][ T72] netlink_sendmsg+0x723/0xbe0 [20580.959296][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.959296][ T72] ___sys_sendmsg+0xee/0x170 [20580.959296][ T72] __sys_sendmsg+0xcd/0x170 [20580.959296][ T72] do_syscall_64+0xc6/0x1e0 [20580.959296][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.959296][ T72] [20580.960943][T25496] ref_tracker: v3@ffff8880031c95d0 has 2/7 users at [20580.960943][T25496] dst_init+0x84/0x4a0 [20580.960943][T25496] dst_alloc+0x97/0x150 [20580.960943][T25496] ip6_dst_alloc+0x23/0x90 [20580.960943][T25496] ip6_rt_pcpu_alloc+0x1e6/0x520 [20580.960943][T25496] ip6_pol_route+0x56f/0x840 [20580.960943][T25496] vrf_ip6_input_dst+0x2eb/0x4e0 [vrf] [20580.960943][T25496] vrf_ip6_rcv+0x860/0xce0 [vrf] [20580.960943][T25496] ipv6_rcv+0x1ad/0x810 [20580.960943][T25496] __netif_receive_skb_one_core+0x118/0x1b0 [20580.960943][T25496] process_backlog+0x101/0x620 [20580.960943][T25496] __napi_poll.constprop.0+0xa2/0x460 [20580.960943][T25496] net_rx_action+0x495/0xbe0 [20580.960943][T25496] __do_softirq+0x1b5/0x7f6 [20580.960943][T25496] [20580.962907][ T72] ref_tracker: w2.20@ffff8880057315d0 has 1/5 users at [20580.962907][ T72] netdev_get_by_index+0x5e/0x80 [20580.962907][ T72] fib6_nh_init+0x3d8/0x15b0 [20580.962907][ T72] ip6_route_info_create+0xf18/0x17d0 [20580.962907][ T72] ip6_route_add+0x1c/0x140 [20580.962907][ T72] addrconf_add_mroute+0x1ac/0x2c0 [20580.962907][ T72] addrconf_add_dev+0xe2/0x170 [20580.962907][ T72] inet6_addr_add+0x12f/0xa40 [20580.962907][ T72] inet6_rtm_newaddr+0x560/0x6b0 [20580.962907][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.962907][ T72] netlink_rcv_skb+0x130/0x360 [20580.962907][ T72] netlink_unicast+0x449/0x710 [20580.962907][ T72] netlink_sendmsg+0x723/0xbe0 [20580.962907][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.962907][ T72] ___sys_sendmsg+0xee/0x170 [20580.962907][ T72] __sys_sendmsg+0xcd/0x170 [20580.962907][ T72] do_syscall_64+0xc6/0x1e0 [20580.962907][ T72] [20580.964716][T25496] ref_tracker: v3@ffff8880031c95d0 has 1/7 users at [20580.964716][T25496] dst_init+0x84/0x4a0 [20580.964716][T25496] dst_alloc+0x97/0x150 [20580.964716][T25496] ip6_dst_alloc+0x23/0x90 [20580.964716][T25496] ip6_rt_pcpu_alloc+0x1e6/0x520 [20580.964716][T25496] ip6_pol_route+0x56f/0x840 [20580.964716][T25496] vrf_ip6_input_dst+0x2eb/0x4e0 [vrf] [20580.964716][T25496] vrf_ip6_rcv+0x2af/0xce0 [vrf] [20580.964716][T25496] ipv6_rcv+0x1ad/0x810 [20580.964716][T25496] __netif_receive_skb_one_core+0x118/0x1b0 [20580.964716][T25496] process_backlog+0x101/0x620 [20580.964716][T25496] __napi_poll.constprop.0+0xa2/0x460 [20580.964716][T25496] net_rx_action+0x495/0xbe0 [20580.964716][T25496] __do_softirq+0x1b5/0x7f6 [20580.964716][T25496] [20580.966655][ T72] ref_tracker: w2.20@ffff8880057315d0 has 1/5 users at [20580.966655][ T72] ipv6_add_dev+0x3b9/0x11c0 [20580.966655][ T72] ipv6_find_idev+0x102/0x170 [20580.966655][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [20580.966655][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.966655][ T72] netlink_rcv_skb+0x130/0x360 [20580.966655][ T72] netlink_unicast+0x449/0x710 [20580.966655][ T72] netlink_sendmsg+0x723/0xbe0 [20580.966655][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.966655][ T72] ___sys_sendmsg+0xee/0x170 [20580.966655][ T72] __sys_sendmsg+0xcd/0x170 [20580.966655][ T72] do_syscall_64+0xc6/0x1e0 [20580.966655][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.966655][ T72] [20580.968446][T25496] ref_tracker: v3@ffff8880031c95d0 has 1/7 users at [20580.968446][T25496] netdev_get_by_index+0x5e/0x80 [20580.968446][T25496] fib6_nh_init+0x3d8/0x15b0 [20580.968446][T25496] ip6_route_info_create+0xf18/0x17d0 [20580.968446][T25496] ip6_route_add+0x1c/0x140 [20580.968446][T25496] addrconf_add_mroute+0x1ac/0x2c0 [20580.968446][T25496] addrconf_add_dev+0xe2/0x170 [20580.968446][T25496] inet6_addr_add+0x12f/0xa40 [20580.968446][T25496] inet6_rtm_newaddr+0x560/0x6b0 [20580.968446][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.968446][T25496] netlink_rcv_skb+0x130/0x360 [20580.968446][T25496] netlink_unicast+0x449/0x710 [20580.968446][T25496] netlink_sendmsg+0x723/0xbe0 [20580.968446][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.968446][T25496] ___sys_sendmsg+0xee/0x170 [20580.968446][T25496] __sys_sendmsg+0xcd/0x170 [20580.968446][T25496] do_syscall_64+0xc6/0x1e0 [20580.968446][T25496] [20580.969950][ T72] ref_tracker: w2.20@ffff8880057315d0 has 1/5 users at [20580.969950][ T72] neigh_parms_alloc+0x1e5/0x510 [20580.969950][ T72] ipv6_add_dev+0x2fd/0x11c0 [20580.969950][ T72] ipv6_find_idev+0x102/0x170 [20580.969950][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [20580.969950][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.969950][ T72] netlink_rcv_skb+0x130/0x360 [20580.969950][ T72] netlink_unicast+0x449/0x710 [20580.969950][ T72] netlink_sendmsg+0x723/0xbe0 [20580.969950][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.969950][ T72] ___sys_sendmsg+0xee/0x170 [20580.969950][ T72] __sys_sendmsg+0xcd/0x170 [20580.969950][ T72] do_syscall_64+0xc6/0x1e0 [20580.969950][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.969950][ T72] [20580.972107][T25496] ref_tracker: v3@ffff8880031c95d0 has 1/7 users at [20580.972107][T25496] ipv6_add_dev+0x3b9/0x11c0 [20580.972107][T25496] ipv6_find_idev+0x102/0x170 [20580.972107][T25496] inet6_rtm_newaddr+0x37c/0x6b0 [20580.972107][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.972107][T25496] netlink_rcv_skb+0x130/0x360 [20580.972107][T25496] netlink_unicast+0x449/0x710 [20580.972107][T25496] netlink_sendmsg+0x723/0xbe0 [20580.972107][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.972107][T25496] ___sys_sendmsg+0xee/0x170 [20580.972107][T25496] __sys_sendmsg+0xcd/0x170 [20580.972107][T25496] do_syscall_64+0xc6/0x1e0 [20580.972107][T25496] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.972107][T25496] [20580.973788][ T72] unregister_netdevice: waiting for w2.10 to become free. Usage count = 6 [20580.975431][T25496] ref_tracker: v3@ffff8880031c95d0 has 1/7 users at [20580.975431][T25496] neigh_parms_alloc+0x1e5/0x510 [20580.975431][T25496] ipv6_add_dev+0x2fd/0x11c0 [20580.975431][T25496] ipv6_find_idev+0x102/0x170 [20580.975431][T25496] inet6_rtm_newaddr+0x37c/0x6b0 [20580.975431][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.975431][T25496] netlink_rcv_skb+0x130/0x360 [20580.975431][T25496] netlink_unicast+0x449/0x710 [20580.975431][T25496] netlink_sendmsg+0x723/0xbe0 [20580.975431][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.975431][T25496] ___sys_sendmsg+0xee/0x170 [20580.975431][T25496] __sys_sendmsg+0xcd/0x170 [20580.975431][T25496] do_syscall_64+0xc6/0x1e0 [20580.975431][T25496] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.975431][T25496] [20580.975471][T25496] unregister_netdevice: waiting for v4 to become free. Usage count = 10 [20580.975673][ T72] ref_tracker: w2.10@ffff888006a115d0 has 1/5 users at [20580.975673][ T72] netdev_get_by_index+0x5e/0x80 [20580.975673][ T72] fib6_nh_init+0x3d8/0x15b0 [20580.975673][ T72] ip6_route_info_create+0xf18/0x17d0 [20580.975673][ T72] ip6_route_add+0x1c/0x140 [20580.975673][ T72] addrconf_prefix_route+0x2a6/0x430 [20580.975673][ T72] inet6_addr_add+0x4f8/0xa40 [20580.975673][ T72] inet6_rtm_newaddr+0x560/0x6b0 [20580.975673][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.975673][ T72] netlink_rcv_skb+0x130/0x360 [20580.975673][ T72] netlink_unicast+0x449/0x710 [20580.975673][ T72] netlink_sendmsg+0x723/0xbe0 [20580.975673][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.975673][ T72] ___sys_sendmsg+0xee/0x170 [20580.975673][ T72] __sys_sendmsg+0xcd/0x170 [20580.975673][ T72] do_syscall_64+0xc6/0x1e0 [20580.975673][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.975673][ T72] [20580.977450][T25496] ref_tracker: v4@ffff8880091245d0 has 1/9 users at [20580.977450][T25496] dst_init+0x84/0x4a0 [20580.977450][T25496] dst_alloc+0x97/0x150 [20580.977450][T25496] ip6_dst_alloc+0x23/0x90 [20580.977450][T25496] ip6_rt_pcpu_alloc+0x1e6/0x520 [20580.977450][T25496] ip6_pol_route+0x56f/0x840 [20580.977450][T25496] __fib6_rule_action+0x1f3/0x5b0 [20580.977450][T25496] fib_rules_lookup+0x2b4/0xa20 [20580.977450][T25496] fib6_rule_lookup+0x182/0x630 [20580.977450][T25496] ip6_route_output_flags+0x259/0x480 [20580.977450][T25496] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [20580.977450][T25496] ip6_dst_lookup_flow+0x88/0x190 [20580.977450][T25496] udp_tunnel6_dst_lookup+0x2b9/0x4d0 [ip6_udp_tunnel] [20580.977450][T25496] vxlan_xmit_one+0x97e/0x46c0 [vxlan] [20580.977450][T25496] vxlan_xmit+0x9ac/0xf30 [vxlan] [20580.977450][T25496] dev_hard_start_xmit+0x146/0x590 [20580.977450][T25496] __dev_queue_xmit+0xf71/0x17f0 [20580.977450][T25496] [20580.977560][ T72] ref_tracker: w2.10@ffff888006a115d0 has 1/5 users at [20580.977560][ T72] netdev_get_by_index+0x5e/0x80 [20580.977560][ T72] fib6_nh_init+0x3d8/0x15b0 [20580.977560][ T72] ip6_route_info_create+0xf18/0x17d0 [20580.977560][ T72] addrconf_f6i_alloc+0x315/0x560 [20580.977560][ T72] ipv6_add_addr+0x411/0x2000 [20580.977560][ T72] inet6_addr_add+0x30e/0xa40 [20580.977560][ T72] inet6_rtm_newaddr+0x560/0x6b0 [20580.977560][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.977560][ T72] netlink_rcv_skb+0x130/0x360 [20580.977560][ T72] netlink_unicast+0x449/0x710 [20580.977560][ T72] netlink_sendmsg+0x723/0xbe0 [20580.977560][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.977560][ T72] ___sys_sendmsg+0xee/0x170 [20580.977560][ T72] __sys_sendmsg+0xcd/0x170 [20580.977560][ T72] do_syscall_64+0xc6/0x1e0 [20580.977560][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.977560][ T72] [20580.979763][T25496] ref_tracker: v4@ffff8880091245d0 has 1/9 users at [20580.979763][T25496] dst_init+0x84/0x4a0 [20580.979763][T25496] dst_alloc+0x97/0x150 [20580.979763][T25496] ip6_dst_alloc+0x23/0x90 [20580.979763][T25496] ip6_rt_pcpu_alloc+0x1e6/0x520 [20580.979763][T25496] ip6_pol_route+0x56f/0x840 [20580.979763][T25496] __fib6_rule_action+0x1f3/0x5b0 [20580.979763][T25496] fib_rules_lookup+0x2b4/0xa20 [20580.979763][T25496] fib6_rule_lookup+0x182/0x630 [20580.979763][T25496] ip6_route_output_flags+0x259/0x480 [20580.979763][T25496] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [20580.979763][T25496] ip6_dst_lookup_flow+0x88/0x190 [20580.979763][T25496] udp_tunnel6_dst_lookup+0x2b9/0x4d0 [ip6_udp_tunnel] [20580.979763][T25496] vxlan_xmit_one+0x97e/0x46c0 [vxlan] [20580.979763][T25496] vxlan_xmit+0x983/0xf30 [vxlan] [20580.979763][T25496] dev_hard_start_xmit+0x146/0x590 [20580.979763][T25496] __dev_queue_xmit+0xf71/0x17f0 [20580.979763][T25496] [20580.981773][ T72] ref_tracker: w2.10@ffff888006a115d0 has 1/5 users at [20580.981773][ T72] netdev_get_by_index+0x5e/0x80 [20580.981773][ T72] fib6_nh_init+0x3d8/0x15b0 [20580.981773][ T72] ip6_route_info_create+0xf18/0x17d0 [20580.981773][ T72] ip6_route_add+0x1c/0x140 [20580.981773][ T72] addrconf_add_mroute+0x1ac/0x2c0 [20580.981773][ T72] addrconf_add_dev+0xe2/0x170 [20580.981773][ T72] inet6_addr_add+0x12f/0xa40 [20580.981773][ T72] inet6_rtm_newaddr+0x560/0x6b0 [20580.981773][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.981773][ T72] netlink_rcv_skb+0x130/0x360 [20580.981773][ T72] netlink_unicast+0x449/0x710 [20580.981773][ T72] netlink_sendmsg+0x723/0xbe0 [20580.981773][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.981773][ T72] ___sys_sendmsg+0xee/0x170 [20580.981773][ T72] __sys_sendmsg+0xcd/0x170 [20580.981773][ T72] do_syscall_64+0xc6/0x1e0 [20580.981773][ T72] [20580.983954][T25496] ref_tracker: v4@ffff8880091245d0 has 2/9 users at [20580.983954][T25496] ip6_route_check_nh+0x4b8/0x6a0 [20580.983954][T25496] ip6_validate_gw+0x3f7/0x7b0 [20580.983954][T25496] fib6_nh_init+0xa5b/0x15b0 [20580.983954][T25496] ip6_route_info_create+0xf18/0x17d0 [20580.983954][T25496] ip6_route_multipath_add+0xa42/0x1930 [20580.983954][T25496] inet6_rtm_newroute+0xa2/0x110 [20580.983954][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.983954][T25496] netlink_rcv_skb+0x130/0x360 [20580.983954][T25496] netlink_unicast+0x449/0x710 [20580.983954][T25496] netlink_sendmsg+0x723/0xbe0 [20580.983954][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.983954][T25496] ___sys_sendmsg+0xee/0x170 [20580.983954][T25496] __sys_sendmsg+0xcd/0x170 [20580.983954][T25496] do_syscall_64+0xc6/0x1e0 [20580.983954][T25496] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.983954][T25496] [20580.986108][ T72] ref_tracker: w2.10@ffff888006a115d0 has 1/5 users at [20580.986108][ T72] ipv6_add_dev+0x3b9/0x11c0 [20580.986108][ T72] ipv6_find_idev+0x102/0x170 [20580.986108][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [20580.986108][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.986108][ T72] netlink_rcv_skb+0x130/0x360 [20580.986108][ T72] netlink_unicast+0x449/0x710 [20580.986108][ T72] netlink_sendmsg+0x723/0xbe0 [20580.986108][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.986108][ T72] ___sys_sendmsg+0xee/0x170 [20580.986108][ T72] __sys_sendmsg+0xcd/0x170 [20580.986108][ T72] do_syscall_64+0xc6/0x1e0 [20580.986108][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.986108][ T72] [20580.988652][T25496] ref_tracker: v4@ffff8880091245d0 has 1/9 users at [20580.988652][T25496] netdev_get_by_index+0x5e/0x80 [20580.988652][T25496] fib6_nh_init+0x3d8/0x15b0 [20580.988652][T25496] ip6_route_info_create+0xf18/0x17d0 [20580.988652][T25496] ip6_route_add+0x1c/0x140 [20580.988652][T25496] addrconf_prefix_route+0x2a6/0x430 [20580.988652][T25496] inet6_addr_add+0x4f8/0xa40 [20580.988652][T25496] inet6_rtm_newaddr+0x560/0x6b0 [20580.988652][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.988652][T25496] netlink_rcv_skb+0x130/0x360 [20580.988652][T25496] netlink_unicast+0x449/0x710 [20580.988652][T25496] netlink_sendmsg+0x723/0xbe0 [20580.988652][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.988652][T25496] ___sys_sendmsg+0xee/0x170 [20580.988652][T25496] __sys_sendmsg+0xcd/0x170 [20580.988652][T25496] do_syscall_64+0xc6/0x1e0 [20580.988652][T25496] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.988652][T25496] [20580.990767][ T72] ref_tracker: w2.10@ffff888006a115d0 has 1/5 users at [20580.990767][ T72] neigh_parms_alloc+0x1e5/0x510 [20580.990767][ T72] ipv6_add_dev+0x2fd/0x11c0 [20580.990767][ T72] ipv6_find_idev+0x102/0x170 [20580.990767][ T72] inet6_rtm_newaddr+0x37c/0x6b0 [20580.990767][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.990767][ T72] netlink_rcv_skb+0x130/0x360 [20580.990767][ T72] netlink_unicast+0x449/0x710 [20580.990767][ T72] netlink_sendmsg+0x723/0xbe0 [20580.990767][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.990767][ T72] ___sys_sendmsg+0xee/0x170 [20580.990767][ T72] __sys_sendmsg+0xcd/0x170 [20580.990767][ T72] do_syscall_64+0xc6/0x1e0 [20580.990767][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.990767][ T72] [20580.992679][T25496] ref_tracker: v4@ffff8880091245d0 has 1/9 users at [20580.992679][T25496] netdev_get_by_index+0x5e/0x80 [20580.992679][T25496] fib6_nh_init+0x3d8/0x15b0 [20580.992679][T25496] ip6_route_info_create+0xf18/0x17d0 [20580.992679][T25496] addrconf_f6i_alloc+0x315/0x560 [20580.992679][T25496] ipv6_add_addr+0x411/0x2000 [20580.992679][T25496] inet6_addr_add+0x30e/0xa40 [20580.992679][T25496] inet6_rtm_newaddr+0x560/0x6b0 [20580.992679][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.992679][T25496] netlink_rcv_skb+0x130/0x360 [20580.992679][T25496] netlink_unicast+0x449/0x710 [20580.992679][T25496] netlink_sendmsg+0x723/0xbe0 [20580.992679][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.992679][T25496] ___sys_sendmsg+0xee/0x170 [20580.992679][T25496] __sys_sendmsg+0xcd/0x170 [20580.992679][T25496] do_syscall_64+0xc6/0x1e0 [20580.992679][T25496] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.992679][T25496] [20580.994929][ T72] unregister_netdevice: waiting for w2 to become free. Usage count = 3 [20580.997025][T25496] ref_tracker: v4@ffff8880091245d0 has 1/9 users at [20580.997025][T25496] netdev_get_by_index+0x5e/0x80 [20580.997025][T25496] fib6_nh_init+0x3d8/0x15b0 [20580.997025][T25496] ip6_route_info_create+0xf18/0x17d0 [20580.997025][T25496] ip6_route_add+0x1c/0x140 [20580.997025][T25496] addrconf_add_mroute+0x1ac/0x2c0 [20580.997025][T25496] addrconf_add_dev+0xe2/0x170 [20580.997025][T25496] inet6_addr_add+0x12f/0xa40 [20580.997025][T25496] inet6_rtm_newaddr+0x560/0x6b0 [20580.997025][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.997025][T25496] netlink_rcv_skb+0x130/0x360 [20580.997025][T25496] netlink_unicast+0x449/0x710 [20580.997025][T25496] netlink_sendmsg+0x723/0xbe0 [20580.997025][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.997025][T25496] ___sys_sendmsg+0xee/0x170 [20580.997025][T25496] __sys_sendmsg+0xcd/0x170 [20580.997025][T25496] do_syscall_64+0xc6/0x1e0 [20580.997025][T25496] [20580.999263][ T72] ref_tracker: w2@ffff8880065345d0 has 2/2 users at [20580.999263][ T72] vlan_dev_init+0x97c/0xdd0 [8021q] [20580.999263][ T72] register_netdevice+0x4d3/0x1690 [20580.999263][ T72] register_vlan_dev+0x162/0x4a0 [8021q] [20580.999263][ T72] vlan_newlink+0x393/0x610 [8021q] [20580.999263][ T72] rtnl_newlink_create+0x341/0x850 [20580.999263][ T72] __rtnl_newlink+0xac9/0xd80 [20580.999263][ T72] rtnl_newlink+0x63/0xa0 [20580.999263][ T72] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.999263][ T72] netlink_rcv_skb+0x130/0x360 [20580.999263][ T72] netlink_unicast+0x449/0x710 [20580.999263][ T72] netlink_sendmsg+0x723/0xbe0 [20580.999263][ T72] ____sys_sendmsg+0x7b2/0xa10 [20580.999263][ T72] ___sys_sendmsg+0xee/0x170 [20580.999263][ T72] __sys_sendmsg+0xcd/0x170 [20580.999263][ T72] do_syscall_64+0xc6/0x1e0 [20580.999263][ T72] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.999263][ T72] [20580.999468][T25496] ref_tracker: v4@ffff8880091245d0 has 1/9 users at [20580.999468][T25496] ipv6_add_dev+0x3b9/0x11c0 [20580.999468][T25496] ipv6_find_idev+0x102/0x170 [20580.999468][T25496] inet6_rtm_newaddr+0x37c/0x6b0 [20580.999468][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20580.999468][T25496] netlink_rcv_skb+0x130/0x360 [20580.999468][T25496] netlink_unicast+0x449/0x710 [20580.999468][T25496] netlink_sendmsg+0x723/0xbe0 [20580.999468][T25496] ____sys_sendmsg+0x7b2/0xa10 [20580.999468][T25496] ___sys_sendmsg+0xee/0x170 [20580.999468][T25496] __sys_sendmsg+0xcd/0x170 [20580.999468][T25496] do_syscall_64+0xc6/0x1e0 [20580.999468][T25496] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20580.999468][T25496] [20581.001663][ T72] unregister_netdevice: waiting for lo to become free. Usage count = 2 [20581.004100][T25496] ref_tracker: v4@ffff8880091245d0 has 1/9 users at [20581.004100][T25496] neigh_parms_alloc+0x1e5/0x510 [20581.004100][T25496] ipv6_add_dev+0x2fd/0x11c0 [20581.004100][T25496] ipv6_find_idev+0x102/0x170 [20581.004100][T25496] inet6_rtm_newaddr+0x37c/0x6b0 [20581.004100][T25496] rtnetlink_rcv_msg+0x2fb/0xbf0 [20581.004100][T25496] netlink_rcv_skb+0x130/0x360 [20581.004100][T25496] netlink_unicast+0x449/0x710 [20581.004100][T25496] netlink_sendmsg+0x723/0xbe0 [20581.004100][T25496] ____sys_sendmsg+0x7b2/0xa10 [20581.004100][T25496] ___sys_sendmsg+0xee/0x170 [20581.004100][T25496] __sys_sendmsg+0xcd/0x170 [20581.004100][T25496] do_syscall_64+0xc6/0x1e0 [20581.004100][T25496] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [20581.004100][T25496] [20581.008432][ T72] ref_tracker: lo@ffff8880091195d0 has 1/1 users at [20581.008432][ T72] dst_init+0x84/0x4a0 [20581.008432][ T72] dst_alloc+0x97/0x150 [20581.008432][ T72] ip6_dst_alloc+0x23/0x90 [20581.008432][ T72] ip6_rt_pcpu_alloc+0x1e6/0x520 [20581.008432][ T72] ip6_pol_route+0x56f/0x840 [20581.008432][ T72] __fib6_rule_action+0x1f3/0x5b0 [20581.008432][ T72] fib_rules_lookup+0x2b4/0xa20 [20581.008432][ T72] fib6_rule_lookup+0x182/0x630 [20581.008432][ T72] ip6_route_output_flags+0x259/0x480 [20581.008432][ T72] icmpv6_rt_has_prefsrc.constprop.0+0x46/0x420 [20581.008432][ T72] icmp6_send+0x13dd/0x1b70 [20581.008432][ T72] ip6_link_failure+0x30/0x430 [20581.008432][ T72] ndisc_error_report+0x96/0x160 [20581.008432][ T72] neigh_invalidate+0x206/0x510 [20581.008432][ T72] neigh_timer_handler+0x984/0xf10 [20581.008432][ T72] call_timer_fn+0x170/0x430 [20581.008432][ T72]